What is the difference between a 4-way solenoid valve and a 3-way valve

Always check your Locked Rotor Amps (LRA) and capacitor ratings before energizing the new unit

The Johnson Controls T-5500-1053 is a pneumatic temperature indicator designed for continuous visual monitoring in 3 to 15 psig pneumatic transmission systems

a hard start kit is typically required to assist the compressor during startup against high head pressures

this motor facilitates a rapid swap-out

Siemens Building Technology GCA126.1U Actuator 323613-751 What is the difference betweenThe Siemens GCA126. 1U is a heavy duty OpenAir spring return actuator engineered for 2 position control in demanding HVAC systems. This 24VAC DC damper actuator delivers a robust 160 lb in torque (18 Nm), making it an industry standard for managing return air, exhaust, and face and bypass dampers in high capacity air handling units. Designed for fail safe reliability, the bi directional spring return ensures dampers reach a secure position during