and diaphragm or seals—required to restore factory-spec pressure ratings and flow coefficients

6 flow coefficient for a drop-in match

and Payne air handlers and fan coils

Corrosion Resistance: The chrome-plated brass body and copper thermostat assembly provide superior durability against harsh hydronic environments

Reliable Performance: Solid-state components eliminate mechanical wear and resist degradation from particulate matter in the air stream

Functional Devices RIBRL1C Relay 326058-756 and diaphragm or seals—required toThe Functional Devices RIBRL1C is a high performance SPDT enclosed relay engineered for versatile HVAC control applications and industrial automation. Designed for easy integration, this 10 Amp relay features a universal 10 30Vdc coil input, making it compatible with a wide range of low voltage control circuits. The DIN rail mountable housing facilitates rapid installation within control panels, while the internal LED indicator provides immediate