The FF4H is a Single Pole Single Throw (SPST) device

Rely on this genuine Rheem part to restore system safety and prevent nuisance trips in residential or commercial units

Without a high-performance vent like the VENT-1/8

Common Questions Is the AL-181 compatible with 24V control systems

Compatible with a wide range of G40

Belimo ZS-CCV-100 Weather Shield Els PW 17895 The FF4H is a SingleThe Belimo ZS CCV 100 Weather Shield is a ruggedized protective enclosure engineered specifically for fail safe and non fail safe actuators mounted on CCV (Characterized Control Valves). Designed to maintain operational integrity in harsh environments, this NEMA 4X rated housing provides essential protection against UV radiation, rain, sleet, snow, and dirt. For technicians installing units in outdoor air handlers or cooling towers, the ZS CCV 100