Navien Tankless Water Cycles On And Off [5 Easy Solutions]
Navien Tankless Water Heater cycles on and off due to a clogged faucet aerator, bad flow sensor, and a restricted cold water inlet filter. Apart from these, clogged exhaust venting and defective 3-way valves can also cause the unit to cycle on and off every 8-10 seconds. All the culprits I mentioned actually cut-off the…