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This Potter & Brumfield series component features a Single Pole Double Throw (SPDT) contact configuration
When conducting Sensus regulator repair
the B209B is the professional choice for regulating chilled or hot water and 60% glycol solutions in air handling units and VAV reheat coils
The actuator typically extends the stroke in approximately 60 seconds under power and provides a quick 15-second spring return for safety positioning
High-Temperature Resilience: Fabricated to maintain structural integrity under extreme thermal cycles within the burner compartment
Resideo RC840T-120 Electromechanical Relay 318172-701 This Potter & Brumfield seriesThe Resideo RC840T 120 Electromechanical Relay with a built in 24V transformer is a critical component for integrating line voltage equipment into low voltage control systems. This switching relay operates on a 120 Vac input and provides a 24V, 40 mA, 1. 2 VA control signal, making it the industry standard for controlling electric baseboard heaters, resistive cooling loads, and inductive fan motors. The unit features an internal transformer that