Thermostatic Switch Modes: OFF (open) at 120 deg F (48.9 deg C) water temperature and ON (closed) at 100 deg F (37.8 deg C) water temperature.
Thermostatic element: Bimetal, senses surface temperature of outside diameter of pipe.
Pipe Size: AQS-1/2 clips onto 1/2 in copper pipe or 3/8 in steel pipe (OD of pipe 5/8 in ) AQS-3/4 clips onto 3/4 in copper pipe or 1/2 in steel pipe (OD of pipe 7/8 in ).
Mounting: May be installed to sense temperature at the suction or discharge pipe of the pump.
Connects to the lead wires in the connection box of any Bell & Gossett NBF/NRF/SSF circulator.
Suitable for 115/120 V, 60 Hz operation.
Provides thermostat control to the circulator It will turn OFF (open) at 120 deg F (489 deg C) water temperature and ON (closed) at 100 deg F (378 deg C) water temperature.