21M51U-843 | Universal Two Stage Hot Surface Ignition Control & Ignitor 3 Speed (psc) Circulator Furnace Control Kit. Replaces Wr 50M51-242 and all 50M61-XXX'S Two-stage H.s.i. Systems with 80v Or 120v Ignitors | WHITE-RODGERS

Universal Two Stage Hot Surface Ignition Control & Ignitor 3 Speed (psc) Circulator Furnace Control Kit by WHITE-RODGERS (SKU: 21M51U-843) This control kit is designed for use with two-stage H.S.I. systems with 80v or 120v ignitors. It replaces WR 50M51-242 and all 50M61-XXX'S two-stage H.S.I. systems. Features: * Universal two-stage hot surface ignition control and ignitor * 3 speed (PSC) circulator furnace control * Replaces WR 50M51-242 and all 50M61-XXX'S two-stage H.S.I. systems * 80v or 120v ignitors Benefits: * Controls both stages of ignition * Regulates fan speed for optimal comfort and efficiency * Easy to install and maintain * Durable construction for long-lasting performance Order now from our HVAC supply store for unbeatable prices and fast shipping.