Lochinvar & A.O. Smith 100108279 Valve 321894-706 or the furnace "short cycling"

or the furnace "short cycling" due to inconsistent gas pressure levels that trip safety sensors

a gauge with a lower range is recommended to prevent bottoming out the needle

Replacing a brittle or failed HVAC transition gasket during routine maintenance prevents 1013080-specific vibration noise and protects the system from premature component stress

Always inspect the small rubber hoses for moisture or debris before replacing the component

Common Questions Can the 620-406 replace a 120V primary transformer

Lochinvar & A.O. Smith 100108279 Valve 321894-706 or the furnace "short cycling"As a direct replacement for 100108278, the Lochinvar & A. O. Smith 100108279 Valve is a critical safety component designed for commercial and residential water heating systems. This 3 4" temperature and pressure relief valve (T&P) is factory calibrated to discharge at a 150 PSI pressure setting or a 210F temperature threshold, preventing catastrophic tank failure. Engineered with a durable brass body and a thermo bonded coated sensing element, it