New Max-E-Therm 400 won't fire up
- Thread starter Terry D.
- Start date
Just opened my old heater and the loose plug is the 240, so it must have been running on 120. Where do I test to verify that I have the feed set up as 120 so I can change the plugs without destroying it? The power supply on the old was a red and a blck wire and a ground, so I figured it was 220 like the pool pump motor.
What breaker goes to the heater?
Can you check the voltage with a multimeter where it connects to the heater?
Where does the power come from?
Can you check the voltage with a multimeter where it connects to the heater?
Where does the power come from?
Thanks, James. I should be able to figure out what the supply is. The breaker box is outside near the heater. There are two single breakers side by side, but the heater may only be on one. The other may be pool lights. It may be that only one breaker supplies the heater, which makes me think it is 120. I will check that. The wife is dragging me out to dinner, so may not have a definitive answer until morning.
Checked and the supply is only 120V. Is there anything else that should be changed other than taking out the 240V plug and installing the 120V plug?
Thanks. My pump all of a sudden is not pumping water, so I won't try the heater until I get that solved.
Finally got the pump primed(lid air leak), turned the heater on and it works
Thank James for the 230/120 plug info.
Thank James for the 230/120 plug info.
Thinking about putting the old rat kit mesh on this heater. Ammonia has kept them off my window sills. Wonder if pouring it around the heater will keep them away.