The FuelMizer™ (SR501-OR) microprocessor-based control designed to regulate the supply water temperature of a single boiler, based on the outdoor temperature. The FuelMizer is a boiler reset control and switching relay in one unit; it is ideal for retrofit application, but may also be used in new installations as well.
Full outdoor boiler reset control
Can control system or zone valve circulator
Over-ride of outdoor reset when DHW tank is calling
Easy to install and set; will not affect boiler’s warranty
Front mounted LED lights for full diagnostic information
Ideal for retrofit applications of just about any hot water boiler
Typical energy savings is about 14% with some customers experiencing up to 30%