Question about Pentair Master Temp 400K BTU Natural Gas Heater Low Nox ASME 460775
Trermastat plunger is corroded will not move
I think you mean the thermal regulator the one in the manifold where the water plumbing is if its corroded it is a water chemistry issue the part is an easy fix but check your water
Posted on Dec 10, 2014
What is a thermostat plunger?
If anything is corroded, Thermister or Temp Sensor, just replace them.
Posted on Nov 27, 2014
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Posted on Jan 02, 2017
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