The L7224U Oil Electronic Aquastat Controllers provide electronic temperature sensing in a UL limit-rated control with a single sensing probe. The L7224U controls circulator, oil burner and boiler temperature. The L7224U replaces most models of the L8124A, L8124C, L7124U, L7148A, L7248A,C, L7224A,C, and L8148A Controllers. These Aquastat Controllers are intended for use in residential-type applications. The L7224U provides status and diagnostic information through an LED display combined with LED lights to enhance the diagnostic process. Offers increased flexibility-Vertical, Horizontal and flush mount options and is configurable for single function use.

The L7224 is also enabled for 3-wire Envirocom communication.

The W8735S installation is simple and quick. Simple programming and diagnostic capabilities combine for energy saving on every installation. Automatically decreases boiler set-point based on outdoor temperature to maximize energy savings. Enables warm weather shut-down