?     Asked on 1/16/2012by Guest

Will a gas heater operate at the low speed of a dual speed motor?
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A  Answered on 1/16/2012 by InyoPools Product Specialist Patrick P.

Probably not - Most gas heater will shut off at low GPM levels (20-40) to keep the heater cores from overheating - 20 for 200 BTUs, 40 for 400 BTUs. Depending on your pool system you might get these GPM levels at the low speed but generally these heaters must be run at the motor's high speed.
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?     Asked on 1/6/2015by Guest

What is the elevation rating for the Pentair MasterTemp heater?
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A  Answered on 1/6/2015 by InyoPools Product Specialist Robert M.

This heater will work up to an elevation of 8,000 feet.
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?     Asked on 5/20/2016by Brian

What is the HSI IGNITER AND WHAT DOES IT LOOK LIKE
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A  Answered on 5/25/2016 by InyoPools Product Specialist Lennox H.

Hi Brian, The Hot Surface Igniter (77707-0054) is what ignites the gas fumes. Click the link >Hot Surface Igniter (77707-0054) to view image.
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?     Asked on 8/29/2016by Inyo Visitor

Was there a recall on a part for this product?
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A  Answered on 8/30/2016 by InyoPools Product Specialist Alan M.

We are unaware of any recall parts on this heating unit. You may want to contact the manufacturer, Pentair, at 1-800-831-7133. They will be able to better answer your question.
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?     Asked on 4/8/2017by Allen Cazier

Heater comes on, but doesn't stay on. What' up?
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A  Answered on 4/10/2017 by InyoPools Product Specialist Scott W.

It sounds like the orifices, but I recommend calling Pentair to confirm that.
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?     Asked on 8/20/2018by Brian

Can you run this with a grill size propain tank? If so how long would it last and about how much does it use in an hours time. Is the heater temp adjustable? Brian
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A  Answered on 8/24/2018 by InyoPools Product Specialist Lennox H.

Hi, Brian. This unit will not be able to operate using a size propane tank. This unit requires 2.5 gallons of propane an hour to operate. The thermostat is adjustable. 
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?     Asked on 2/7/2019by Julie

Do you guys have a conversion kit to go from Propane to natural gas for this heater?
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A  Answered on 2/7/2019 by InyoPools Product Specialist Lennox H.

Hi, Julie. The propane to natural gas conversion kit for this unit is Part # 460742
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?     Asked on 3/5/2019by Chet Pigott

Good afternoon. I had a quote to replace the heater for my spa. The quote given was for the 400,000 BTU unit. Do you feel it is necessary to use that unit or could a smaller one work? My pool also has a working solar unit.
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A  Answered on 3/5/2019 by InyoPools Product Specialist Michelle B.

Hello, How many gallons would be in your spa? Is this also going to be connected to the pool as well?
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?     Asked on 9/9/2019by Dan Stephenson

is this heater a 50 cycle as I plan to use it in the Islands. MasterTemp Heater 250,000 BTU - LP w/ Electric Ignition Low NOx Propane gas
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A  Answered on 9/10/2019 by Industry Professional

This heater is not a 50 cycle unit. We only carry them in 60 hz.
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?     Asked on 5/13/2020by Torri

My cover cracked from a tree falling on it in a storm..do you sell replacement covers..heater still works
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A  Answered on 1/5/2021 by InyoPools Product Specialist Hector F.

Hi Torri, the Pentair Mastertemp cover part number is 6291-970
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?     Asked on 11/12/2020by GARY SANDLER

Can you recommend a company to install your Pentair Ultra Temp Heat Pump if shipped to Miami?
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A  Answered on 11/13/2020 by InyoPools Product Specialist Hector F.

Hi Gary, for the installation of heat pumps and heaters we recommend any CPC(certified pool contractor). 
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?     Asked on 6/1/2021by Christopher Paparo

mastertemp 250 lp is this the updated better rodent protection version?
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A  Answered on 6/2/2021 by InyoPools Product Specialist Danny R.

This is the latest Pentair Mastertemp Heater.  We have not heard any stories of rodents getting into this pool heater.
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?     Asked on 10/29/2024by Scott Saltus

Is this a direct replacement for Pentair Mastertemp Model 460733
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A  Answered on 10/30/2024 by InyoPools Product Specialist Rich N.

Hi Scott, the online part number EC-462027 is the direct replacement for 460733.  The only difference may be in the exterior color/paint scheme.  
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