White-Rodgers 50A56-956 Integrated Hot Surface Furnace Control Kit

Integrated Hot Surface Furnace Control Kit—the White-Rodgers 50A56-956 delivers reliable ignition and precise flame sensing for one‑stage furnaces. This one‑stage, non‑integrated control supports natural, manufactured, mixed, liquefied petroleum gas and liquid propane gas air mixtures, offering flexible compatibility across common furnace models. The hot surface ignition with direct/indirect flame sense ensures dependable starts and safe operation.

As a compact gas furnace control, it prioritizes safety and efficiency, delivering fast prepurge, controlled ignition activation, and clear lockout behavior. CSA approval covers both the United States and Canada, making it a trusted choice for residential applications. Built to meet typical furnace control requirements, this kit works well as a primary gas furnace controller in many installers' setups.

• Fuel compatibility: Natural, manufactured, mixed, liquefied petroleum gas and liquid propane gas air mixtures.
• Ignition and flame sensing: Hot surface ignition with direct/indirect flame sense for reliable starts.
• Electrical ratings: Valve 1.5 A @ 25 V AC; Igniter 6 A @ 120 V AC; Inducer relay 2.2 A FLA / 3.5 A LRA @ 120 V AC; Circulator relay 14.5 A FLA / 25 A LRA @ 120 V AC.
• Operating environment: Temperature range -40 to 175 F; Humidity 5–93% non-condensing.
• Timing and sequencing: Prepurge 0 s; Interpurge 15 s; Post Purge 15 s; Ignition Activation 2 s; Valve Sequence 21 s; Lockout 140 s; Auto Reset 60 min.
• Application and compliance: Applications for furnaces; CSA approved (Canada and US); compact size 4.825 in W x 1.25 in D x 7 in H.