How do you test the mother board on a richmond gas tankless water heater?
Posted on | April 4, 2010 | 2 Comments
Sometimes it works and sometimes it doesn’t. Have to turn it on and off several times to get hot water. Home depot says mother board. But they don’t know how to test it. Unit is Richmond.
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2 Responses to “How do you test the mother board on a richmond gas tankless water heater?”
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April 4th, 2010 @ 5:24 am
Add water.
April 4th, 2010 @ 5:40 am
call a service tech,,u could spend a small fortune not knowing whats wrong with it and throwing parts at it,,a ma board could easily cost $150,,this is 1 reason tank less htr are not all that efficient when u figure service calls and cost new