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

Common Questions: What is included in the Maxon 33631 kit

heat-resistant shell that prevents external oil and grease from contaminating the electrolytic fluid

ensuring a leak-proof seal even under fluctuating pressures

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

York S1-373-27943-001 Kit mario This Spence Main Valve typicallyEnsure 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