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The Double Pole Double Throw (DPDT) configuration is ideal for air handlers
ensuring exact electrical and mounting specifications
Contractors value the 110428 for its field-replaceable element and stainless steel diaphragm
ensuring a precision fit on the inducer motor shaft to eliminate the vibration and bearing wear often associated with generic alternatives
Williams P321900 Ignition Control 320788-704 The Double Pole Double ThrowThe Williams P321900 Ignition Control is a dedicated OEM replacement part engineered for precise sequence management in gas fired heating equipment. As the direct successor to the P32190, this electronic ignition module provides the necessary logic for safe pilot or main burner light off. This control is frequently utilized in Williams Monterey furnaces and Forsaire wall heaters, where maintaining specific timing for trial for ignition and flame
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