Laars Heating Systems R2004100 Pressure Switch 321894-708 these models share identical technical

these models share identical technical specifications and footprints

Enhanced Safety Logic: Features a 3-try ignition sequence and automatic lockout functionality to prevent unburned gas accumulation during ignition failure

Does this valve include the pilot adjustment screw

making it ideal for thermostat-driven control boards

Laars Heating Systems R2004100 Pressure Switch 321894-708 these models share identical technicalMaintain the industrial safety standards of your heating equipment with the Laars Heating Systems R2004100 Pressure Switch. This manual reset low gas pressure switch is a critical safety component designed for high output Laars commercial boilers and MagnaTherm water heaters. Engineered to detect hazardous drops in fuel pressure, the R2004100 interrupts the system's ignition cycle to prevent incomplete combustion and potential carbon monoxide buildup.