Lochinvar & A.O. Smith 100108279 Valve 321894-706 This robust bellows actuated pressure

This robust bellows actuated pressure control operates within a regulation range of 14

The standard R400-3/8 is set for 3-6" w

it is rated for hot water boilers provided the operating pressures do not exceed 25 psi for steam or 150 psi for water cycles

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

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

Lochinvar & A.O. Smith 100108279 Valve 321894-706 This robust bellows actuated pressureAs 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