preventing short-cycling and protecting the internal motor windings from thermal stress

a reading of "open" or high resistance during a call for heat usually indicates a tripped or failed switch

This specific model is the lead-free updated replacement for the discontinued 0066109

and PDP150 models

improving the SEER rating performance of the integrated cooling system

Johnson Controls D-3246-5110 Pneumatic Actuator Freon preventing short-cycling and protecting theThe Johnson Controls D 3246 5110 Pneumatic Actuator is a heavy duty piston style operator engineered specifically for high performance modulation of VF Series Flanged Globe Valves. This robust pneumatic valve actuator features an 8 to 13 psi spring range, ensuring precise positioning and reliable shut off in commercial HVACR steam and water applications. Designed with an aluminum housing for enhanced thermal stability and corrosion resistance, the D