The Copeland Comfort Control (Alco) 057878 Power Assembly is a high-performance replacement component for thermostatic expansion valves used in medium and high-temperature refrigeration

This Spence Main Valve typically requires a minimum pressure differential of 10 PSI to ensure the internal diaphragm overcomes the main spring and pilot signal correctly

Built with a durable open enclosure for superior heat dissipation and high-grade ball bearings

What is included in the Carrier 5H60-502 package

By addressing worn internals with the Parker 76750

York S1-373-27943-001 Kit mario The Copeland Comfort Control (Alco)Ensure precise combustion performance with the York S1 373 27943 001 Burner Alignment Bracket Kit. This essential OEM replacement part is engineered to maintain strict burner tube positioning relative to the heat exchanger inlets, preventing flame impingement and premature component fatigue. In high efficiency York residential gas furnaces, even a slight misalignment can disrupt the flame rectification signal or cause uneven heating across the primary