Exact Compatibility: Purpose-built for Honeywell MP953A and MP953C 5-inch pneumatic actuators

Field-Ready Design: Simplifies the retrofitting process for existing valves without requiring full system teardowns

maintaining the integrity of the electrical control circuit is essential for operational safety and preventing intermittent firing issues

Key Benefits for Technicians: Electric Motor Quality (EMQ) standards ensure the honed raceways provide ultra-quiet operation and reduced friction

Optimized Performance: The 4-inch roll-out diaphragm technology provides high flow capacity and superior sensitivity to pressure fluctuations

Nordyne 626421R Control Board Els PW 17895 Exact Compatibility: Purpose-built for HoneywellThe Nordyne 626421R Control Board is a critical OEM Hot Surface Ignition (HSI) module engineered to manage the automated firing sequence of furnace burners. This technician grade replacement board (Revision R) is the direct superseding part for legacy numbers 626421, 1018 204, and 1018 504. Designed for single stage Nordyne gas furnaces and packaged units, it provides precise 24VAC control and features on board diagnostics via LED flash codes to