Lochinvar & A.O. Smith 100111922 Relief Valve 340155-7026 vapor-actuated thermometer that operates entirely

vapor-actuated thermometer that operates entirely without batteries or electrical input

as commercial controls operate on different temperature curves and pressure ratings than residential equivalents

This specific pilot burner orifice is engineered with a calibrated aperture to ensure the exact metered flow of gas—whether natural gas or propane—required to maintain a stable and reliable pilot flame

Some configurations may feature an automatic one-hour reset

Universal Compatibility: Serves as a direct replacement for Heil Quaker

Lochinvar & A.O. Smith 100111922 Relief Valve 340155-7026 vapor-actuated thermometer that operates entirelyThe Lochinvar & A. O. Smith 100111922 Relief Valve is a critical safety component designed for high demand commercial boilers and water heating systems. This heavy duty 1 inch relief valve is factory set at 50 PSI to provide reliable overpressure protection, preventing catastrophic vessel failure or system damage. As a genuine OEM replacement part, it ensures precise mechanical compatibility with Lochinvar and A. O. Smith equipment, maintaining the