extending the service life of the HVAC contactor

Field-Service Design: Includes a built-in after-hours override button for manual occupancy triggering and an accessible data port for diagnostic tool connection

it ensures equipment safety by locking out the burner system when pressure exceeds or falls below calibrated setpoints

this low pressure cut-out switch ensures consistent cycling and long-term diagnostic accuracy for professional contractors managing commercial or industrial climate control equipment

for extreme weather or wash-down environments

Lochinvar & A.O. Smith 100108729 Pilot 321894-709 extending the service life ofThe Lochinvar & A. O. Smith 100108729 Pilot is a precision engineered LP pilot assembly (model PB 5S) designed specifically for liquid propane fired water heaters and boilers. As a genuine OEM replacement part, it ensures direct compatibility with A. O. Smith GCV, XCV, and Lochinvar residential units where a stable pilot flame is critical for safe ignition. This pilot burner assembly includes the requisite orifice calibrated for LP gas pressure, a