OEM-Grade Precision: Ensures 100% compatibility with Lennox heat pumps and air handling units

Is this valve suitable for gravity-fed systems

As an electronically commutated motor (ECM)

supporting up to three heating and two cooling stages for dual fuel

and the critical relief valve seat O-ring

Lennox 28W59 Control Box 319825-402 OEM-Grade Precision: Ensures 100% compatibilityThe Lennox 28W59 Control Box (LB 108340) is an essential OEM replacement part engineered to house and protect the delicate electrical architecture of select Lennox furnaces and air handlers. For technicians dealing with corroded enclosures or a compromised HVAC control module, this factory spec metal housing provides the necessary environmental shielding and precise mounting points for internal circuit boards. Maintaining the integrity of the Lennox