the valve should be mounted in a vertical and upright position with the solenoid housing on top

Direct OEM Fitment: Eliminates alignment issues and mounting setbacks

while the robust internal switching mechanism maintains consistent calibration across both temperature scales

Industry Standard Compliance: Meets UL E12103 and CSA LR36461 standards for commercial appliance safety

Lennox 27W18 Condensate Pan 322838-754 the valve should be mountedThe Lennox 27W18 Condensate Pan (LB 65843E) is a critical OEM replacement part engineered for high performance HVAC condensate management. This EPDM condensate drain is designed to withstand the thermal cycling and moisture exposure common in residential and commercial air handlers. As a genuine Lennox replacement part, it ensures a precise fit under the evaporator coil, maintaining safe system operation and preventing the structural water damage