White‑Rodgers WR 50D50U-843 UNIVERSAL IGNITION MODULE ALL SPARK

This module is a "one-stop" solution for furnace controls, allowing technicians to replace nearly any 24V spark ignition module with a single SKU. It is configurable for both Intermittent Pilot (IP) and Direct Spark Ignition (DSI) systems using advanced digital setup

• Integrated NFC: Allows for rapid configuration and diagnostics via the White-Rodgers Connect App, even without power.
• 7-Segment Display: Provides on-board status and expanded fault code reporting for simplified troubleshooting.
• Universal Mounting: Features a compact design with a universal bracket and built-in rajah/spade spark terminals to eliminate the need for external adapters.
• Broad Replacement: Replaces common models from Honeywell (Resideo), Robertshaw, Fenwal, and more.

Brand Name: White-Rodgers (a brand of Copeland LP/Emerson).
Manufacturer Item No. / Part Number: 50D50U-843 (also identified by UPC: 786710561658).
Product Type: Universal Non-Integrated Ignition Module.
Product Name: White-Rodgers All-Spark Universal Intermittent Pilot / Direct Spark 24V Ignition Module.

• Input Voltage: 24 Vac (Low) / 120 Vac (Line), 50/60 Hz.
• Operating Temp: -40°F to 175°F (-40°C to 79°C).
• Humidity Range: 5% to 93% relative humidity (non-condensing).
• Gas Compatibility: Natural Gas and Liquid Propane (LP).
• Max Valve Current: 4 Amps for direct spark; 2 Amps for intermittent pilot.
• Certifications: UL Listed / Recognized (US & Canada).
• Cycle Timing: 90-second trial for ignition (IP default), with various configurable pre-purge and inter-purge settings.