The 143T frame features a standard 7/8-inch diameter shaft with a 2-1/4 inch length and a standard keyway

Precise Actuator Control: Dual floating or digital control outputs support 3-point floating actuators or on/off heating and cooling relays

If you observe downstream pressure creep (where the pressure rises while no water is running) or if you see water leaking from the spring cage weep hole

The shaded pole design is ideal for standard ventilation

ensuring reliable performance in demanding environments ranging from -40°F to 248°F

Fireye MP230 Module R-407C The 143T frame features aEnsure precise burner sequencing and safety with the Fireye MP230 Programmer Module. Designed as a direct plug in component for the Fireye Modular M Series II system, this module provides the critical logic required for automatic ignition and continuous flame monitoring. It is a selectable timing programmer, allowing technicians to field configure purge intervals (5, 7, 30, 60, or 240 seconds) and Pilot Trial for Ignition (PTFI) durations (5 or 10