Heil Quaker ICP 1177748 Expansion Valve 326058-758 The Copeland 998-0510-66 Valve Kit

The Copeland 998-0510-66 Valve Kit is a professional-grade Rotalock valve service kit engineered for high-capacity refrigeration and air conditioning systems

Spring Return Safety: Fail-safe normally closed operation ensures the valve returns to its default position during power interruptions

allowing for precise calibration of the "ON" pulse and "OFF" delay intervals using a small flathead screwdriver

and GMH series air handlers

OEM Compatibility: Precision-engineered for an exact fit in Carrier 50HE series units

Heil Quaker ICP 1177748 Expansion Valve 326058-758 The Copeland 998-0510-66 Valve KitMaintain peak system performance with the Heil Quaker ICP 1177748 Expansion Valve, a genuine OEM HVAC replacement part engineered for 4 ton cooling applications. As a critical metering device, this thermostatic expansion valve (TXV) precisely regulates refrigerant flow into the evaporator coil based on the cooling load. Proper modulation prevents liquid slugging and evaporator flooding, which are common causes of premature compressor failure in high