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Pulse arcade — neon hairlines and corner brackets frame the playfield brief.
it manages the air-gas ratio with the tight tolerances required by modulating condensing boilers to maximize AFUE ratings
It operates across a 120Vac to 240Vac voltage range and features a setpoint range of 100 to 240 degrees F
The "S" designation confirms its configuration for high-pressure steam service
Enhanced Durability: Silver cadmium oxide contacts provide superior arc resistance and thermal stability
This 3-inch nickel-plated probe provides a passive resistance output
Lennox 64W86 Pressure Switch 320788-702 it manages the air-gas ratioThe Lennox 64W86 Pressure Switch is a critical safety component engineered specifically for two stage gas furnaces. This factory authorized replacement operates as an air pressure sensor, monitoring differential pressure to ensure proper inducer motor performance and venting before allowing the ignition sequence. Designed for high efficiency systems, it features a dual level calibration with a set point high of 1. 20" W. C. and a set point low of 0.