HOYME ADP-1102-TWP RELAY ADAPTER C/W 120 VAC SENSING COIL
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HMI HOYME Interface Relay Adapter, 24/120 VAC, 5 A, DPDT, SPST, 4 in Height, 5 in Width, 2-1/2 in D
This adaptor is an automatic switch to open a 24 VAC replacement/ventilation damper during the ventilation cycle and/or during the firing cycle of the furnace. By connecting the adaptor 120 VAC relay coil to the controlled line voltage of an exhaust fan and connecting the 24 VAC circuit to the furnace terminals, the exhaust fan, the furnace fan and the inlet damper will all operate simultaneously.  The inlet damper may also be connected to open during the firing cycle of the furnace.
Product Details
HMI HOYME Interface Relay Adapter, 24/120 VAC, 5 A, DPDT, SPST, 4 in Height, 5 in Width, 2-1/2 in D
This adaptor is an automatic switch to open a 24 VAC replacement/ventilation damper during the ventilation cycle and/or during the firing cycle of the furnace. By connecting the adaptor 120 VAC relay coil to the controlled line voltage of an exhaust fan and connecting the 24 VAC circuit to the furnace terminals, the exhaust fan, the furnace fan and the inlet damper will all operate simultaneously.  The inlet damper may also be connected to open during the firing cycle of the furnace.