The Spence 04-01623-00 Diaphragm is a critical 3-1/2 inch pressure-sensing component engineered specifically for Spence Type D pilots

Common Service Questions What causes this limit switch to trip frequently

the 0130P00073 thermistor may have drifted out of its specified resistance range

The JB T3-6C Brass Tee is a high-performance HVACR fitting engineered for vacuum pump intakes and refrigerant manifold configurations

The Danfoss 117U3302 Motor Protector is an essential hermetic compressor safety device engineered to provide robust overload protection for electrical motors in commercial HVACR systems

Danfoss 013G-1246 Limitation Pins The Spence 04-01623-00 Diaphragm isThe Danfoss 013G 1246 Limitation Pins are critical mechanical components designed for specific radiator valve stroke limitation. Engineered for compatibility with RA 2000 series operators and standard thermostatic radiator valves (TRV), these pins allow technicians to establish precise temperature range locking and limiting. By inserting these pins into the integrated scale of any Danfoss RA 2990 or RA 2940 sensor, you can effectively prevent