Smith 100108882) is a critical safety differential air pressure switch designed for commercial boilers and water heaters

This specific part number (28G61) is primarily the pressure regulator spring kit

The York S1-025-27773-700 Flame Sensor is a critical OEM component designed for precise flame rectification in high-efficiency York gas furnaces and HVAC units

While this flame retainer is a common part for many Carrier-brand units

and hot gas lines

Carrier EF680033 Valve THPU32HP7Y Smith 100108882) is a criticalThe Carrier EF680033 is a high performance 3 8" liquid line solenoid valve designed for precise refrigerant metering and positive shut off in commercial and residential HVACR systems. Engineered to meet OEM specifications, this valve features a rugged brass body compatible with high pressure refrigerants, boasting a maximum working pressure rating of up to 680 PSIG. Its 3 8 inch orifice provides a high flow capacity, minimizing pressure drop while