Lennox 92L21 Pressure Switch the VS2211 ensures a leak-proof

the VS2211 ensures a leak-proof

which is specifically designed for hot water (hydronic) boilers

Is this unit suitable for mini-split installations

This 12 Kohm NTC thermistor assembly provides real-time data to the control board

HVAC safety circuits rely on specific pressure thresholds to ensure proper air-to-fuel ratios

Lennox 92L21 Pressure Switch the VS2211 ensures a leak-proofReplace your faulty inducer safety circuit with the Lennox 92L21 Pressure Switch, a precise OEM furnace replacement part cataloged under Lennox R20293412. This single pole single throw (SPST N. O.) switch is factory calibrated to actuate at 1. 61" W. C., ensuring the draft inducer motor maintains the specific static pressure required for safe combustion and flue gas venting. Designed with dual 1 4" barb connections, this component provides a secure