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Enhanced Safety Logic: Features a 3-try ignition sequence and automatic lockout functionality to prevent unburned gas accumulation during ignition failure
sufficient for driving high-efficiency solid-state thermostats
making it ideal for thermostat-driven control boards
the NS2 series is the industry standard for proving inducer motor draft and monitoring differential air pressure in gas-fired furnaces and industrial atmospheric systems
these models share identical technical specifications and footprints
Laars Heating Systems R2004100 Pressure Switch 321894-708 Enhanced Safety Logic: Features aMaintain 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.