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which can prevent the valve from seating correctly
it operates on a 20-30Vac range with a manual changeover system (Heat-Off-Cool) and dedicated Auto-On fan switching
00" WC to match original factory specifications for Dunkirk Q90-100 systems
and the fan motor wire on 'Fan'
For contractors managing air handler unit repair
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,
