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This orifice is sized specifically for specified BTU inputs
Enhanced Safety: Designed specifically for Flammable Vapor (FV) ignition systems to maintain sealed chamber integrity
or short-cycling while the fan continues to run
By utilizing a 1k ohm nickel RTD
Mixing can cause phase separation and compromise the lubrication properties essential for HVACR equipment
Lennox 10B85 Module Kit 320819-301 This orifice is sized specificallyThe Lennox 10B85 Module Kit (OEM Part #610587 18) is a critical HVAC control board replacement designed to maintain the sequence of operation in high efficiency residential and light commercial equipment. As the direct replacement for Lennox 84W15, this kit ensures full backward compatibility and seamless integration with existing wiring harnesses. For technicians troubleshooting intermittent ignition failures or communication errors, installing a