What is the purpose of the valve on the cold water inlet?
According to the manual for the VEVOR JSQ30-B/JSQ30-A Tankless Hot Gas Water Heater, the valve on the cold water inlet serves as a cold…
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VEVOR JSQ30-B-JSQ30-A Tankless Hot Gas Water Heater Instruction Manual — questions & answers
Read product questions and troubleshooting answers linked to VEVOR JSQ30-B-JSQ30-A Tankless Hot Gas Water Heater Instruction Manual.