Pay in 4 interest-free payments of $19.40 Learn more
Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
Always ensure the prefilter is dry and properly seated before restarting the unit
Measure your compressor's height and footprint
Reliable Protection: Integrated impedance and overload thermal protection prevents winding failure during restricted airflow conditions
this valve is fully compatible with VA-7000 and VA-4233 series electric actuators
Constructed from durable brass to withstand HVAC system pressure and vibration
Lennox 57M66 Pressure Switch R-407A Always ensure the prefilter isThe Lennox 57M66 Pressure Switch is a critical safety component designed for precise combustion air proving in high efficiency gas furnaces. Factory calibrated to actuate at 1. 41" WC, this Single Pole Single Throw (SPST) switch ensures the inducer motor is generating sufficient static pressure to vent flue gases safely before allowing the ignition sequence to proceed. As a genuine OEM replacement part, it maintains the exact specifications required
US$ 159.00
US$ 28.00
US$ 44.00
US$ 160.00