Resideo L4006B1155 Aquastat Controller 320735-701 When an overheat condition is

When an overheat condition is detected

Turning the screw allows for fine-tuning within the 70 to 170 PSI specification to match your specific refrigeration system requirements

ensuring HVAC system compatibility and restoring the unit to its original operating parameters

It will maintain its last position upon a loss of power and does not utilize a mechanical spring return

Can I reuse the old burner gasket if it looks intact

Resideo L4006B1155 Aquastat Controller 320735-701 When an overheat condition isProfessional grade boiler maintenance requires precise thermal regulation, and the Resideo L4006B1155 is a staple for hydronic circulator control. This immersion type aquastat controller is engineered to break SPST contacts upon temperature rise, making it an essential high limit or regulating device for boilers and storage tanks. Featuring a highly sensitive 3 8" x 2 7 8" copper bulb and a 3" capillary, this immersion aquastat ensures rapid response