Common Questions What is the specific pressure range for the Cadmium spring in a 243-8 regulator

When diagnosing HVAC inverter board failure

This 3/8 x 3/8 ODF valve utilizes a balanced port design to maintain a constant superheat across varying evaporator loads

Always check the nameplate before wiring

The Functional Devices RIB2401B2G is a heavy-duty 20 Amp power control relay engineered for high-performance HVAC and building automation applications

Hartland Controls CAP-70/5/440 Run Capacitor 319848-301 Common Questions What is theThe Hartland Controls CAP 70 5 440 is a high performance dual run capacitor engineered for persistent demand in residential and commercial HVACR systems. Featuring a 70 5 microfarad capacitance, this oval motor run capacitor is rated for both 370Vac and 440Vac applications, providing 3% to 6% tolerance precision. Its aluminum oil filled construction and UL 810 recognized internal protection bridge ensure reliable phase shifting for PSC compressor