Lochinvar & A.O. Smith 100208448 Relief Valve 319852-301 always verify the specific rating

always verify the specific rating on the motor nameplate during installation

For the Knight KB 286 or KH 285 models

A defining characteristic of the Apollo 50-700 series is the inclusion of dual 1/4" NPT pilot tappings on both sides of the body

though the modular jack is specifically pinned for Metasys and Zone Bus compatibility

Premature failure is often caused by voltage fluctuations

Lochinvar & A.O. Smith 100208448 Relief Valve 319852-301 always verify the specific ratingThe Lochinvar & A. O. Smith 100208448 Relief Valve is a critical boiler and water heater safety component designed for precise overpressure protection. This heavy duty 1 inch NPT inlet valve features a 1 1 4 inch outlet and is factory calibrated to a 50 PSI set pressure. Engineered for high recovery commercial and residential hydronic systems, it effectively prevents vessel failure by automatically discharging excess pressure when system limits are