The Functional Devices RIBAN24C Relay is a reliable 24VAC/DC pilot relay designed for seamless integration into HVAC control systems and building automation sequences

ensuring a precise flush fit to prevent air bypass and maintain the integrity of the heat exchanger and evaporator coils

the 057531 208-240V 60Hz coil delivers the precise magnetic force required for consistent valve actuation

and solenoid base gasket

Parker 73218BN4UNLVN0C111 Valve R-410A The Functional Devices RIBAN24C RelayThe Parker 73218BN4UNLVN0C111 is a high performance 2 way normally closed solenoid valve designed for rugged industrial fluid control and HVACR applications. Engineered with a durable brass body and 1 2" NPT ports, this pilot operated valve utilizes a 24VDC coil to manage the flow of compatible liquids and gases. With a minimum operating pressure differential of 5 PSI and a maximum rating up to 175 PSI, it ensures reliable shut off and consistent