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My pentair mastertemp 400 keeps cycling on and off going
My pentair mastertemp 400 keeps cycling on and off going from on to service heater. No error code.… read more
Rick the plumber
Rick the plumber
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I have a Pentair 300 pool heater and I am getting an EOS
I have a Pentair 300 pool heater and I am getting an EOS light; the unit shuts down 2 mins after firing. I have had the gass company out to check pressure and everything is to standard. What could be … read more
Rick the plumber
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I have a Pentair mastertemp 400 heater (P/N 460736, S/N
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James I
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I have a Pentair Mastertemp 125 Pool Heater Natural Gas When
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Expert
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I have a pentair mastertemp 400. It is showing an E01 error
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poolguy810
poolguy810
owner - pool and spa service company
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My pentair heater is not turning on for spa. The in house
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PitschPlumbing
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I HAVE A PENTAIR HEATER 460736 NATURAL GAS HEATER FOR MY POOL
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Pentair Mastertemp - digital display shows water temp at 126
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poolguy810
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owner - pool and spa service company
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I have pentair equipment including a MasterTemp 400 heater
I have pentair equipment including a MasterTemp 400 heater and everytime the heater comes on it make a low rumbling sound like a giant truck driving by within a minute of heater starting up What could… read more
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I have a pentair mastertemp 400 thats hooked up to an easytouch
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Have a pentair Mastertemp 400 Last week it would not heat
Have a pentair Mastertemp 400 Last week it would not heat the spa over 98 degrees and this week would not start when I turned it on. I switched over to pool heat and it worked fine. When I switched ba… read more
poolguy810
poolguy810
owner - pool and spa service company
2 years electro mechanical training
1,675 satisfied customers
I have a Pentair Mastertemp 250 spa heater. When I turn it
I have a Pentair Mastertemp 250 spa heater. When I turn it on there is a loud noise an a burning electrical smell and smoke when the combustion blower comes on. the service light comes on after about … read more
poolguy810
poolguy810
owner - pool and spa service company
2 years electro mechanical training
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pentair mastertemp 400, control panel on heater reads 66 degrees
pentair mastertemp 400, control panel on heater reads 66 degrees and service heater light on. arrows will not go up or down, any ideas??… read more
Poolscaper
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I have a Pentair Minimax NT (heater ID no. HTR-400-NT-STD-NH).
I have a Pentair Minimax NT (heater ID no. HTR-400-NT-STD-NH). The service light came on and the display reads "err". What do you recommend? Chuck Fisher [email protected] Brawley, CA… read more
poolguy810
poolguy810
owner - pool and spa service company
2 years electro mechanical training
1,675 satisfied customers
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Meet the Experts:

poolguy810

poolguy810

owner - pool and spa service company

1,675 satisfied customers

Servicing pools and all brands of spas for over 28 years.

Jerry

Jerry

Technician

310 satisfied customers

owned and operated spa and pool retail store for 12 yrs

PitschPlumbing

PitschPlumbing

master plumber

185 satisfied customers

Factory Authorized service for Rheem, Raypak, Jandy and Laars pool heaters. Gas licensed

spaman101

spaman101

spa/hot tub technician

125 satisfied customers

Spa repair and troubleshooting ..

Charles

Charles

Technician

38 satisfied customers

20 years experience

Poolscaper

Poolscaper

Pool and Spa Installer

26 satisfied customers

I own & operate a full service Pool & Spa Const.~ Service~Retail store

answersmadeeasy

answersmadeeasy

Pool Technician

13 satisfied customers

Experienced in pool and spa equip, heaters, salt systems

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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