FEATURES
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 switch modesBimetal, senses surface temperature of outside diameter of pipe thermostatic elementAQS-1/2 clips onto 1/2 in copper pipe or 3/8 in steel pipe (OD of pipe 5/8 in) and AQS-3/4 clips onto 3/4 in copper pipe or 1/2 in steel pipe (OD of pipe 7/8 in) pipe sizeMounting: May be installed to sense temperature at the suction or discharge pipe of the pumpEpoxy (Environmentally Sealed) thermostat coveringStainless steel pipe clipBimetal sensing elementInsulated 18 in (457 mm) No 18 AWG wire leadsConnects to the lead wires in the connection box of any Bell and Gossett NBF/NRF/SSF circulatorProvides thermostat control to the circulator and It will turn 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