as Lochinvar often updates connection board revisions based on manufacture dates

Replacing an aged BNR0694 with a new BNR1077 ensures a clean internal pathway for the gas-air mixture

This comprehensive kit includes a new bonnet

This component functions as an internal timer to mitigate high-rate compressor cycling

Lennox 11U70 Pressure Switch 320788-704 as Lochinvar often updates connectionThe Lennox 11U70 Pressure Switch is a critical safety component engineered to monitor and regulate internal air pressure within high performance HVAC systems. This . 80 pressure switch (Catalog No. 11U70, Part No. 104371 07) is a single pole, single throw (SPST N. O.) contact rated for 5 Amp resistive at 24 VAC. Tasked with sensing the draft created by the inducer motor, it ensures the combustion process only initiates under safe airflow conditions.