Rheem Ruud 42 21786 81 Relay Ensure the sampling holes face Ensure the sampling holes face the airflow and the end cap is securely installed to maintain the necessary differential pressure for sensor activation This 3 16 inch Tygothane tube assembly is specifically engineered for two pipe thermostat applications compatible with most Rheem and Ruud residential HVAC platforms Please contact our team to confirm compatibility or technical details before purchasing
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Rheem-Ruud 42-21786-81 Relay Ensure the sampling holes face