surface-mount design

The Allanson 2721-647 Ignition Transformer is a compact

Can I use this motor if my current unit has a different frame size

It serves as an ambient sensor that locks out the supplemental electric heat when the outdoor temperature is high enough for the heat pump to operate efficiently

Field Flexibility: Includes a minimum position set screw to allow for constant air bleed and can be field-converted to power open/spring close in minutes

Williams P321900 Ignition Control 318820-201 surface-mount designThe 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