...water that the heater can't handel will push on the disc and spring and flow past the heater. I think you will find this disc broken or gone letting all or most of the water to go past the heater ...
...water. This valve if you have it should be 80-90% closed to force water through heater. Before you do anything be sure to check to be sure the filter and baskets are clean. Often this is the
The power keeps turning off after 10 to 15 min ? You may have a bad motor. Put a drop of water on the motor just after it shuts down. If it sizzles,you have a bad motor.
...of Water Column. This heater should have about 10" max inlet press. at the valve, 6" min inlet, with or without load and 2" on the manifold side while firing. Hope this info helps you or someone
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