boiler reset control and switching relayMicroprocessor-based, the Fuel-Mizer™ outdoor reset switching relay control is designed to regulate the supply water temperature of a single boiler, based on the outdoor temperature. With reduced supply water temperatures, substantial energy savings are achieved, the company said. The FuelMizer is a boiler reset control and switching relay in one unit. It can be used for retrofits and new installations. Including functions such as automatic reset, ratio calculation, warm weather shutdown, minimum boiler temperature settings, and boiler differential settings, the unit’s control monitors both boiler and outdoor sensors. It is capable of controlling a system or zone valve circulator, as well as overriding outdoor resets when a domestic hot-water tank calls for heat. The FuelMizer is easy to install and set. It includes front-mounted LED lights that provide full diagnostic information.


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