Hi,
I had a Navien tankless water heater put in about 3 years ago. It started to have problems and flashing an error code. I called out a plumber to take a look at it after I tried a few things. Long story short, it was a bad flow sensor (second one) and problem was solved after I...
Gas Line Improvement required for tankless water heater??
Thursday, August 1, 2013
Gas Line Improvement required for tankless water heater??
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