Pay in 4 interest-free payments of $6.21 Learn more
Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
A: The switch is rated at 22/50 PSI
depending on the damper blade seal friction and air velocity specifications
The TWIN model is the panel-only version
leak-proof solder joint for standard refrigeration piping
Lennox 27M18 Orifice R-407A A: The switch is ratedThe Lennox 27M18 Orifice is a precision engineered 052 sized flow control component essential for maintaining the manifold pressure and combustion efficiency of Lennox commercial and residential heating systems. Designed as a direct OEM replacement part, this orifice (MPN: 27M18, replaces LB 99225) ensures accurate gas metering for Lennox T Class rooftop units and gas furnaces, specifically compatible with models including KGA036S4, KGA092, and LGH180