White-Rodgers 50M56-743 Integrated Furnace Control

Integrated Furnace Control, model White-Rodgers 50M56-743, provides reliable 1- or 2-Stage operation for standard furnaces. This compact control module uses a hot surface ignition, with a 30-second prepurge and a swift flame-failure response, helping ensure safe ignition and efficient startup. Built for dependable performance, it supports common furnace wiring configurations and offers robust relay ratings that adapt to diverse installations.

• 1- or 2-Stage furnace control for flexible operation across loads and seasons
• Hot surface ignition with fast flame-failure protection to ensure safe startup
• Prepurge time of 30 seconds and post-purge of 25 seconds for venting
• Heat delay: 30 seconds on, 100–150 seconds off for smoother cycling
• Cool delay: 6 seconds on, 45 seconds off reduces restart shocks
• Snap-in standoff mounting enables quick, secure installation in standard furnace cabinets
• Wide operating range (-40 to 176 °F) and 5–93% humidity non-condensing
• Electrical compatibility: valve relay 0.45 A @ 30 V AC; igniter relay 6 A @ 120 V AC
• Voltage rating: 25 V AC at 50/60 Hz; suitable for typical furnace control circuits