Intermatic - 156T4042A - Fireman Switch Hunter Rotors 5-year life (typical) - Frequency:

5-year life (typical) - Frequency: 418MHz

1 1/4" Knockout Dimensions Left (2) 1/2" - 3/4" Knockout Dimensions Right (1) 1 3/4" x 2 3/4" Load Center Rating Display 125 A MAX

Inrush: 79mA

no need to tear out the hydrant from the ground

Intermatic - 156T4042A - Fireman Switch Hunter Rotors 5-year life (typical) - Frequency:Install Manual The 156T4042A Fireman Switch provides coordinated control for any pool spa heater and filter pump. It is designed to turn OFF a gas fired pool spa heater approximately 20 minutes before the filter pump shuts down. This eliminates the problem of pounding and knocking caused by overheated water and also reduces scale and lime deposits and extends service life of the heater. Features: Coordinated control for pool spa heaters and filter