Tankless Hot Water Heater Leak Detection

Written by Tankless Water Heater

Leaks in an on demand hot water system are likely to occur at the connections to the pump, which is typically placed under the sink located farthest from the hot water heater. Check for leaks around the pump as you would around any standard plumbing connections. Look for puddles of water under the sink and inspect the pipe connections to ensure that they are dry.

If a leak is detected, be prepared to shut off the water supply to the bathroom (or to the house if necessary) to conduct the repair. Typically a leaky connection can be repaired by using a wrench or pliers to unscrew the valve or hose connection. Place a bucket under the pipe and have someone turn the water on briefly to flush rust and water from the pipe. Replace worn valves or hose connections. Replace the teflon tape on the threaded pipe end and reconnect the valve or hose connection.

If the leak persists, contact a professional plumber.

Michael Joseph

Michael Joseph

Michael Joseph has more than 20 years of hands-on experience as an avid home handyman and had 10 years in the construction industry, specifically in the field of HVAC.
Michael Joseph

Last modified: September 12, 2017

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