Macon Controls EVO-Z Direct Mount Operator 340155-7024 The board's compact dimensions (5

The board's compact dimensions (5 3/4" x 5 1/4" x 1 9/16") ensure a direct fit into the existing control box without the need for field modifications or bracket fabrication

OEM Compatibility: Seamlessly replaces legacy part 70021523 and is compatible with D1SS240G28017A and M*Y03 units

This kit focuses on the integral backflow prevention components

You do not need to cut and re-sweat the lines

The smooth cylinder design of the 48 frame allows for secure belly band or flex-mount installation into existing blower housings without internal bracket interference

Macon Controls EVO-Z Direct Mount Operator 340155-7024 The board's compact dimensions (5The Macon Controls EVO Z Direct Mount Operator is a high precision, non electric thermostatic radiator valve (TRV) actuator designed for professional grade hydronic and low pressure steam heating systems. As the MTWZ direct replacement, this self acting thermostatic head features a high sensitivity, wax filled brass sensor and a 6 foot 6 inch stainless steel capillary tube. This configuration is essential for HVAC contractors installing controls on