Functional Devices RIB01P Relay which can prevent the valve

which can prevent the valve from seating correctly

For contractors managing air handler unit repair

chemically removing surface oxides on contact to prevent oxidation during the heating cycle

this pilot spring ensures the actuator responds accurately to control signals by providing a dedicated operating span tailored to specific valve stroke requirements

This 7-1/16" length spring enables the Straight-Thru-Flow design of the RV series to maintain accuracy even at low pressure differentials

Functional Devices RIB01P Relay which can prevent the valveThe Functional Devices RIB01P is a heavy duty 20A DPDT enclosed relay designed for reliable HVAC power control and local switching applications. This pilot control relay features a 120 VAC coil and is housed in a NEMA 1 rated enclosure, making it ideal for industrial power relay setups where protection from dust and physical contact is necessary. As a double pole double throw relay, it allows for the simultaneous control of two separate circuits,