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My pentair mastertemp 125 keeps giving err ign. Need help to
My pentair mastertemp 125 keeps giving err ign. Need help to fix asap. Brand new unit. … read more
CertifiedPoolPro
CertifiedPoolPro
Owner/Operator Pool Service Company
Bachelor's of Science
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My heater is just about a year old. It was working fine this
my heater is just about a year old. It was working fine this start up, but now the service heater light is on. what's up with that? … read more
Randy Huckstadt
Randy Huckstadt
Owner / Operator / Service Technician
Associate Degree
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Heater not working. Still within 3 year warranty. Pentair
It didn't come on a few weeks ago. I had a pool repair tech look at it and he said the mother board? Was out and it looked like it was leaking. He said to contact Pentair since it was still within warranty period … read more
CertifiedPoolPro
CertifiedPoolPro
Owner/Operator Pool Service Company
Bachelor's of Science
113 satisfied customers
Purchased Mastertemp 125 heater in Aug 2020. Was used one
Purchased Mastertemp 125 heater in Aug 2020. Was used one season. Hooked it up this season and it worked properly for 2 weeks. Now when I turn it on, it works for about 10 minutes then shuts off with … read more
Randy Huckstadt
Randy Huckstadt
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I have a pentair mastertemp 125 (propane) Air flow fault at
I have a pentair mastertemp 125 (propane) Air flow fault at Ignition module. No error LADs on dsiplay. No power lights on display. I ran out of propane. Yet still powered up. Filled up propane. no wil… read more
Grant Narayan
Grant Narayan
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Heater keeps shutting down. Only error code is led 11.
heater keeps shutting down. Only error code is led 11 … read more
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Jeffrey Towler
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Mastertemp 125 is not working displays shows trouble code
mastertemp 125 is not working displays shows trouble code 14 … read more
Tamar D
Tamar D
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Vocational, Technical or Trade School
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I have a Pentair MasterTemp 400 pool water heater. It needs
I have a Pentair MasterTemp 400 pool water heater. It needs servicing for sure, but the error code I'm getting is E05. I replaced Pentair###-##-#### Stack Flue Sensor, but still getting E05 error code… read more
Shane
Shane
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I have a Pentair Mastertemp high performance heater only two
I have a Pentair Mastertemp high performance heater only two years old. The heater will fire up and the gas will ignite and run fine for maybe 30 seconds blowing robustly then the service light will a… read more
canuck the pro
canuck the pro
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PENTAIR mastertemp 400. Heater ignites as it should, runs
PENTAIR mastertemp 400. Heater ignites as it should, runs for a few minutes and then it switches off. Blower. … read more
canuck the pro
canuck the pro
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Got an r13 128 error code on Pentair MasterTemp 400 Natural
Got an r13 128 error code on Pentair MasterTemp 400 Natural gas pool heater. Gas valve opens (I smell gas) but fails to fire Scott. Hula Pools.(###) ###-####… read more
canuck the pro
canuck the pro
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Need help with pool technician pentair heater. Pool is a
Pool is a pentair mastertemp 400 Code is reading r8 … read more
Poolservice123
Poolservice123
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My pentair mastertemp 400 heater will come on, pilot will
my pentair mastertemp 400 heater will come on, pilot will light and heating green light comes on. After about 30-45 seconds, the heating green light goes off and it shows service heater and the panel … read more
canuck the pro
canuck the pro
14,260 satisfied customers
My pentair pool heater (sensor) says the water is 126
my pentair pool heater (sensor) says the water is 126 degrees when in fact it is 82 degrees. So it won't start up. … read more
Poolservice123
Poolservice123
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Have a Pentair mastertemp 125 the water is getting hot but
have a Pentair mastertemp 125 the water is getting hot but will not go into the pool … read more
Poolservice123
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I have a mastertemp 250 pentair heater brand new and I
I have a mastertemp 250 pentair heater brand new and I hooked up the wrong plug the 110 plug when it was 240 I replace the transformer to control board and ignition ignite board and now the lights com… read more
Tamar D
Tamar D
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Vocational, Technical or Trade School
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Pentair Mastertemp 400 pool heater isn't working. The heater
The heater is giving and E01 error code. I've already replaced the thermistor. … read more
Poolservice123
Poolservice123
Owner
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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
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Rick
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Meet the Experts:

poolguy810

poolguy810

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Fix my Pool and Spa

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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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