$4,599.00
Part # W3HP21104T
Warranty 2 Year Warranty on Parts
This W3HP21104T was discontinued by Hayward. It has been replaced by model W3HP31005T.
For the after-market and new construction the HeatPro is the only round, compactly designed heat pump that combines excellent energy efficiency, industry leading quiet operation, easy installation and for superior value, performance and reliability, a standard ultra gold fin evaporator coil for superior coastal corrosion resistance.
Warranty:
This heat pump is labeled for an in-ground pool. Can it also be used for an above ground pool?
Reply
Yes, this heat pump can be used with an above ground pool. You just have to ensure that it is wired correctly. It needs a 60 amp dedicated circuit breaker and has to be wired directly to the circuit breaker box.
Reply
Less than 1 hr
Screwdriver, Pliers
2 to 4 hrs
Screwdriver, Pliers, Adjustable Wrench, Hacksaw, wire stripper, dolly to move heat pump.
1. Went to Inyos Pool website, and found replacement Hayward Pro Heat Pump 110,000 BTU. Ordered, and delivered.
2. Watched YouTube video on how to hook up heat pump.
3. Took pictures of plumbing and electrical of existing heat pump, in place.
4. Disconnected (turned off) circuit breaker for heat pump. Opened GoldlinevController cover panel and disconnected heater control wiring from Goldline controller panel.
5. Disconnected PVC 2 1/2” inlet and outlet pipes by cutting (as close as possible to heat pump flanges).
6. Disconnected electric wires from circuit breaker box (opened up breaker box, took inside picture, disconnected and labeled each wire). Then had to disconnect wiring from the heat pump (but did not yet reconnect wire to circuit breaker box). Took picture before disconnect.
7. Disconnected Goldline Controller connecting wire from old heat pump.
8. Removed heat pump from concrete pad.
9. Moved new heat pump to concrete pad, about 3” to 4” closer to cut piping, to connect to cut pipes. New replacement heat pump was same model (newer version) so pipes lined up perfectly.
10. Inserted pipes into inlet and outlet flanges. This was a bit difficult, as I originally put in a bypass pipe and valve between inlet and outlet, so the inlet and outlet pipes were pretty rigid, but since they were aligned to flanges, was able to get them inserted. Used PVC glue on interior of flanges and circumference of pipes before inserting.
11. Connected heat pump wiring to bottom of heat pump electrical, using previous picture as guide.
12. Connected other end of electrical to opened circuit breaker.
13 Closed circuit breaker cover.
14. Connected control wiring to Goldline Controller, and to new heat pump.
15. Turned on circuit breaker.
16. New Hayward Heat Pump LED screen lit up.
17. Set temperature to 85F.
18. Heat pump began operating.
19. Hayward Controller settings for heat pump were not changed from prior (old heat pump) settings.
20. In hindsight, realized I only needed to disconnect electric and controller wires at the heat pump, not the circuit breaker and Goldline Controller.
Now I want to see if I can buy a replacement heat exchanger for the old heat pump, as the compressor motor and everything seemed to be working.
4 to 8 hrs
Screwdriver, Pliers
2 0
Installation - leveled the ground, laid some concrete pavers, set the heat pump, plumbed it and wired it. Everything was great except two noticeable things. One was that I installed the heat pump lower than the pool surface and the manual mentioned I might need to adjust the pressure switch, however, it appears they changed the design and it didn't match the picture in he manual. It turned out it wasn't an issue at all. The other was that I would have figured there to be a more secure wire connection. Usually when making an electrical connection there is a connector to hold the wire securely to the unit. In my case there wasn't one. Not an issue for me - there were two holes and the one they wanted me to use (as indicated by location and some type of fitting) was hindered by "stuff" below it so I used the other hole and added my own secure connector. Also, the lugs are not sized for wire size 6AWG, but that just happened to be the wire I had available and you can get by with wire size 8AWG so it isn't an issue. I posted 4-8 hours of time, but it depends on how much prep you need to do. The actual installation was ~2hours, but I had a few more hours into it to prep the location and pull wire from the house and fit the PVC piping so that adds to my time that may not be the case for somebody else.
1 to 2 hrs
Screwdriver, Nut Drivers, Pvc accessories and connectors
2 0
We purchased this heat pump after reading all the reviews on at least 8 others. This was the best one and inyo had the best price by almost$400. Ordering and shipping went flawless. After making a concrete brick platform for it, my buddy helped me install it. By far the best thin ng I did for my pool.
1 to 2 hrs
Socket Set
7 0
I bought this heat pump, Hayward Heat Pro Heat Pump 110,000 BTU, and saved a lot. It was delivered within a few days. The pump is working like a charm, my pool is now useable all year. In winter I set it to 85F and everyone in the family loves it.
The Most Recent Reviews
(5 out of 5 stars)
Reviewed By: Inyo Customer ()
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(1 out of 5 stars) Didn't even last two seasons!
Reviewed By: Inyo Customer ()
Didn't even last two seasons!
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(5 out of 5 stars) Nice heat pump
Reviewed By: Inyo Customer ()
This heat pump has been performing well. It is installed in my pool in Tucson AZ. Will easily heat the pool to 96 deg. From mid-spring to mid-fall. If you are good with PVC work this is an easy DIY project. I did upgrade my electrical service to the pool due to higher current demand. Don't forget about this before doing your project.
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(5 out of 5 stars)
Reviewed By: Inyo Customer ()
Fast shipping!! Great Product... Fit into existing area of removed heater.
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(5 out of 5 stars)
Reviewed By: Inyo Customer ()
Great experience dealiling with this company. Very knowledgeable staff. Beat prices around by far! I just ordered a salt system and I’m hoping the experience is the same. Thanks INYO!
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1 0
(5 out of 5 stars)
Reviewed By: Inyo Customer ()
I am so happy with the Hayward Heat Pro Pump! It works great and really heats up the water fast.
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1 0
(5 out of 5 stars) No issues - works great so far
Reviewed By: Inyo Customer ()
Just installed it a few days ago and so far so good. Easy to install. I happened to use 6AWG wiring and the lugs are too small for that, but most would likely use 8AWG I believe so not an issue. You may want to use a secure connector when entering the panel since there wasn't one. The PVC connection was very easy. My connections were not entirely square, but they didn't leak and the unions were only hand tightened so that's good. It said to push the POOL button, which I did, and set the temperature. In my case, I have a two-stage pump and the low stage doesn't provide enough flow so the low water pressure interlock prevented it from starting as indicated by the panel display flashing me a "PS" (for pressure switch - manual says it means low water pressure) . I turned my pump on high and it worked fine. My water temperature started at 69F and it was actually a bit cooler outside (manual says heater works best if in the sun, but that wasn't an option for me so it is shaded). I had calculated about 1.5 hours (at 100% efficiency) to heat my ~15,000 gallons one degree Fahrenheit, but it took more like 2-3 hours (I'm not complaining). That's a rough figure since I wasn't watching it closely. I'm not sure how much heat loss I have, but do have a 24' diam round aboveground pool.
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0 1
(5 out of 5 stars) Super Heat Pump for pool
Reviewed By: Inyo Customer ()
Easy operation. saves me a lot of money compared to 15 year old heat pump.
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(5 out of 5 stars) Warm pool water means more time in the pool
Reviewed By: Inyo Customer ()
This is a quality heat pump that warms up the pool quickly. My family, especially the grand children, enjoyed the warm pool water late into September. Not bad for New England.
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(5 out of 5 stars) Pleased
Reviewed By: Inyo Customer ()
I am very pleased with the purchasing, shipping and installation of the pool heat pump. Now we are back to enjoying our pool.
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0 1
(5 out of 5 stars) Best thing I did for my pool
Reviewed By: Inyo Customer ()
Best thing I did fort my pool. Keeps a constant temp, with the help of a solar cover to keep it in at night
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(5 out of 5 stars) SERVICE SO FAR GOOD
Reviewed By: Inyo Customer ()
owned it less than 2 years already leaking called Hayward they calling for service under warranty so far response been good
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1 0
(4 out of 5 stars) Great unit, but arrived with faulty indicator lights.
Reviewed By: Inyo Customer ()
The unit arrived in great condition, but the lights that indicate the pool/spa cycles are running do not appear to work. That is the only reason why I didn't give it a five star rating. The unit seems to be working fine otherwise.
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4 1
(4 out of 5 stars) Quality inground pool heatpump
Reviewed By: Urbigene from Central Virginia ()
Pros: Good Web site, fast delivery, quality product
Cons: On the expensive side.
Received the water heater less than a week after it was ordered. The heater was an in-kind replacement of the original heater which I had to replace because of wrong fully winterizing it. I installed by my self using new routing for PVC piping. Installation and putting it in service was easy. Unit started without any issues and I was able to heat up the 18000 gallons pool by 5deg F in about 5 hours.
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3 0
(5 out of 5 stars) Hayward Heat Pro 110k
Reviewed By: Kevin H. from New Port Richey FL ()
Pros: Looks good, quiet, heats up well
Cons: None really
Delivery process and order process easy. Be aware though you will need help to move this unit. I managed by myself with a trolley and strap but it was heavy! Electrician wired from main panel to the other side of my home for $450. I plumbed in the heater and connected the power. Spent circa $100 on fittings etc. Very simple to operate and heats up my 9000 gallon pool in no time. Yet to see what impact is on my electric bill but use of s good quality solar cover will help.
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5 0
(5 out of 5 stars) Easy quick installation
Reviewed By: Patrick G. from Fort Lauderdale, FL ()
Pros: Easy setup and connection, fairly quiet
Cons: Electrical hookup space limited
Ordered the pool heater and it got delivered yesterday 4pm. By 10pm I was done with installation, eg setting on the slab, making electrical connections and plumbing. Granted, everything was in place. The electrical hookup is very tight in space, they do have a coolant pipe right at the place where the conduit is supposed to go, but it works. The startup was without issues and the unit is fairly quiet. Comparable to a small air conditioner. I have a 15x30 pool, and starting temp was 70 degrees. We will see how long it will take to heat it up to 86.
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1 0
(5 out of 5 stars) Great heat pump
Reviewed By: Alexander L. from Long Island, NY ()
Came very fast. In perfect condition. Was a little worried but the buy online was quick easy and professional. Great price compared to local pool store.
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0 2
(3 out of 5 stars) Heat Pump
Reviewed By: Thomas P. from Dayton, OH ()
Pros: New Technology
Cons: Apparently the new technology
This new technology heat pump seems to be slower at heating the pool than my old technology heat pump. The delivery was totally screwed up by UPS. INYO responded to the order quickly shipping the unit within 1 day but UPS sent it to Columbus, OH terminal and then sent it to South Holland, IL (near Chicago) instead of to me in Dayton, OH.
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1 1
(4 out of 5 stars) Very Happy So Far
Reviewed By: Stacy C. from Oxford, Ohio ()
Pros: Heats well
Cons: Costly to run, but they all are.
We just installed our unit in the middle of the summer here in Ohio. I was very pleased that we got at least an extra month out of our pool at the end of the season by having this heating unit.
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2 0
(5 out of 5 stars) Great Heat Pump
Reviewed By: Edward W. from Longisland NY ()
The hayward heatpro is a outstanding .. Keeps the pool ture to temperature that is set . Hayward has got it right with this heater. Shop around and this website was the best price for this heat pump .
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4 0
(5 out of 5 stars) Great heater
Reviewed By: Steve G. from Bel Air, MD ()
Pros: Quiet, cheap to run.
Cons: No timer.
I have 16K gallon in ground concrete salt water pool which is mostly a weekend party pool. Because of this, I wanted a gas heater because of quick warm up but my local gas company wanted big bucks to upgrade my meter. I decided therefore to go with a heat pump as I had the wiring in place from an old hot tub. I had this thing plumbed and powered up in less than 2 hours from the truck dropping it off. It is very quiet and easy to operate. With an ambient air temp of 80 degrees, it takes about an hour to heat up one degree in my pool. What I do is turn in on on Thursday and set it to 82 and just leave it running until Sunday. This is the best method for heating with a heat pump. We don't use the pool Mon through Wed so we turn it off. I haven't noticed a huge impact on my electricity bill, it is certainly way cheaper than burning gas. Only complaint is that there is no timer so what I do is use the timer on my e-pump to drop the pump speed down so that the flow is lower than the pressure threshold of the heat pump. That shuts it down - well sends it into standby anyway. I have only had it a few weeks so I will report back on its longetivity if I feel the need to.
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(5 out of 5 stars) My new Hayward Heat pump is great
Reviewed By: Dan M. from Havana, IL ()
Pros: Great price, great service!
Cons: None that I have found.
My old heat pump didn't survive this past winter. Fortunately I came across INYO's website. The hayward is much better then my old heat pump more efficient and a slightly smaller footprint. Inyo mae ordering easy and their super quick delivery made this job a breeze!
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5 0
(5 out of 5 stars) Excellent Pool Heater
Reviewed By: Mark M. from Madison,WI ()
Pros: Very straight forward hookup, did hire electrician.
Cons: Heavy unit, get a few good strong buddies to help move in place
I just recently installed this before the pool opening this year. This is the first year we had full use of the pool by Memorial Day weekend with warm water at 85 degrees! It took this pump (with pool cover at night) 2 days to reach and maintain that temp. The unit is extremely quiet and doesn't run that much to maintain the temperature. I'm just disappointed I didn't purchase this years earlier. It's nice to finally see the pool get so much use. Very happy customer!
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(4 out of 5 stars) not yet installed
Reviewed By: Mountaineer from Belington WV 26250 ()
Pros: excellent price
Cons: the truck that brought the heater could not deliver to my home. I had to make arrangements to get it off the truck and bring it to my house.
I have not had this installed yet and will follow up once it is. It was shipped in a timely manor at a great price.
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3 0
(5 out of 5 stars) Hayward Heat pro updated reiew
Reviewed By: James K. from Chattanooga TN ()
Pros: heats the pool, quiet, no problems.
Cons: none
I have completed my installation. I added an Insteon wireless thermostat and an I/O module to the pool remote input. The module turns the unit on and off at the more efficient outdoor temperatures. 65F and above. Running the unit at these outdoor temps brought the pool form 54 to 84 in two days, with a thermal blanket. for the least total operating time. the heatpump controls itself to maintain the set temperature. The pool is 16 x 36 8.5 ft deep end pool. It has been in the low 50s at night and warms up in the day. When I first ran it in the mid 50's it was a slow heat up. It is quiet, less noise than my pump. It is in the mid 60's today a bit cold for me to swim but my pool is 86. I'm happy.
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0 1
(5 out of 5 stars) Hayward Heat Pro
Reviewed By: James K. ()
I received the shipment very quick and without damage. I have it installed except for the wiring. This was a complete new install since I did not have a heater prior to this one. I plan to install the wiring including a new breaker panel this weekend and I will update this review to add the performance of the unit.
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0 4
(5 out of 5 stars)
Reviewed By: Stephen I. from Glen Allen, VA ()
This unit arrived in less then a week waiting for the warm winter to go away before instaling
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5 0
(5 out of 5 stars) great hayward heat pump
Reviewed By: Steve D. from Central North Carolina ()
I installed my new 110000 BTU Hayward heat pump two days ago. I live in central N.C. My wife and I went swimming this morning in 87 degree water. It is wonderful to swim in November in water that warm. We keep a solar blanket on the pool, and we have a 52' x24' bubble over it. The 22000 gallons heated up pretty quickly. Thanks INYO POOLS.
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0 1
(5 out of 5 stars) great heater
Reviewed By: James P. from Fishersville, VA ()
Pros: great price, easy to install and run
Cons: none
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0 1
(4 out of 5 stars)
Reviewed By: Gina M. from Pittsburgh, PA ()
Pros: Keeping water warm
Cons: Setting up the plumbing
So far so good. The temperature has been kept at 85 with air temperature of 78.
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17 1
(5 out of 5 stars) Great pool heater!
Reviewed By: Pat B. from Annville, PA ()
Pros: pleasant swimming condition, runs quietly and efficiently
Cons: price of purchase and installation
For years I have been tempted to buy a heater so I can enjoy my pool more by taking the chill off the water. I assumed it would be a very expensive proposition. Much to my delight, this heater works very well and my electric bills have shown much less of a bump then I expected. By covering the pool in the evening, it loses only a few degrees at night and quickly reheats just by sunlight. I have it set to go on if the water temp goes below 81 and it has not run once the entire month of July. I enjoy going into the pool in the evening, floating and chatting without feeling chilled by cool water. The grandkids love, love, love the warm water and swim for hours! We could not be more pleased with this product!
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2 1
(5 out of 5 stars) Heat Pump, Hayward
Reviewed By: wampj from White Lake, MI ()
Pros: Very simple/straightforward to operate
Cons: Very heavy, but hey - I only had to install it once!
Can't comment on long-term performance; have had unit 2 weeks. So far, it works as advertised. Decided to spend the $$$ up front to save on operating costs over gas (replaced gas heater of 14 years).
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(5 out of 5 stars) EXCELLENT HEAT PUMP AT EXCELLENT PRICE AND SHIPPING
Reviewed By: Kevin D. from Champlain, NY ()
Pros: Probably the best for money
Cons: none
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(4 out of 5 stars) Swimming pool heat pump
Reviewed By: Rizzo L. from Kirkland, QC ()
I was skeptical to order an expansive swimming pool heat pump online but the whole ordering process is smooth. The delivery is accurate and everyone is professional except the customs broker. one. I reside in Canada and it's a cross-border shipment. Pls look for the appropriate customs broker to clear this for you. I approached one recommended by Inyopools but this custom broker did not provide the information accurately and thus causing more money on the cost. Eventually, I turned to the transport company affiliated custom broker. Though I still had to pay more, I felt more confident on them than the 1st one when I worked out the total cost. I got the heat pump exactly 2 weeks as quoted by the representative over the phone order and within 2 days after installing the heat pump, my swimming pool is up to 29 Celsius... which I haven't had this temperature from my old heat pump for a couple of years. Thank you Inyopools.
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2 1
(5 out of 5 stars) Great Heater
Reviewed By: Marlene P. from Flagler Beach, FL ()
Pros: Heats Quick
This is our 2nd pool heater we have owned. Compared to the first one this is a great heater. It was easy to install and it heats our pool very quick. Have not had it long enough to tell you how much energy it uses.
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2 2
(5 out of 5 stars) Great pool heater, thus far!
Reviewed By: Stephen C. from Saint James, NY ()
Pros: small quiet efficient
Cons: none
Great pool heater and great price. Love it. Smaller than others, quiet and effiecient. Will reccomend to others
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2 0
(5 out of 5 stars) Excellent pool heater
Reviewed By: FEDERICO C. from MIAMI, FL ()
THIS UNIT WORK VERY FAST AND QUIET. I'M VERY SATISFIED WITH MY PURCHASE.
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5 0
(5 out of 5 stars)
Reviewed By: Richard D. from KY ()
Great product. Heat pump keeps water perfect. Much better than the gas heater we had before. Has saved me lots of money.
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