Rotating the handle adjusts the reference spring tension against the thermostatic bellows to set the desired closing temperature within the 70-140°F range

Electronic Commutation: Optimized for high-efficiency energy consumption and quieter operational cycles compared to induction motors

ensuring stable temperature thresholds for sensitive HVACR heating applications

While it offers excellent modulation for 1 Ton systems

specifically within Intertherm

Heil Quaker ICP 1149947 Screens 320720-756 Rotating the handle adjusts theThe Heil Quaker ICP 1149947 Screens are essential components for protecting high efficiency HVAC ventilation systems. This 3 inch vent screen 10 pack is designed specifically for direct vent furnace and boiler applications, serving as a critical barrier at the termination point. For a technician, keeping these on the truck is mandatory to prevent common call backs related to condensing furnace debris, bird nesting, or rodent infiltration in the air