W660-0056 Replacement Vacuum / Pressure Air Draft Switch for Napoleon & Timberwolf — Plumbing & HVAC

Direct-fit replacement Vacuum and Pressure Air Draft Switch, model W660-0056, compatible with Napoleon & Timberwolf equipment. Designed for Plumbing & HVAC applications, this draft switch senses air pressure/vacuum and provides the switch function required for proper system operation. Ideal as a like-for-like replacement when servicing or repairing compatible units. Ensure model W660-0056 matches your existing part before installation.