Product Description
Robertshaw Part Number 780U-DS20
Universal Direct Spark Ignition Module
Applications: Gas Furnaces, Boilers, Water Heaters, and Commercial Cooking
Features & Benefits:
- Configurable 24V ignition module
- Selectable number of trials, pre-purge, trial for ignition, inter-purge, and restart time
- Replaces over 150 models including Honeywell, White-Rodgers, Fenwal, and others
- Flame sensing supports both single rod (local sense) and two rod (remote sense)
- Compatible with both Natural and LP gas
- Vent damper connection allows for connection to a vent damper
- LED indicator provide troubleshooting and notifications for flame presence/strength displays system status and errors
Specifications:
- Control Voltage: Line 24V (20-28 VAC) 50-60 Hz
- Anticipator Settings: 0.25 A plus valve load at 24 VAC
- Flame Failure Response Time: 2 seconds max
- Minimum Operating Temperature Rating: -40°F
- Maximum Operating Temperature Rating When Used with 2.0A Main Valve: 176°F (80°C)
- Valve Current Rating: 2.0 A Pilot and 2.0 A Main at 24 VAC
- Input Power: 24VAC ± 4VAC 50-60 Hz
- Input Current: Max 0.25 A + Valve at 2A Max
- High Voltage Output: 15 KV with 50 pf load
- Spark Gap: 0.150 in ± 0.050 in (3.8 mm ± 1.2 mm)
- Flame Sensor Current: 0.5 Microamperes (uA) minimum
- Flame Failure Re-Ignition Time: Maximum 1 second
- Auto Restart: 60 minutes
- Vent Damper: Optional, use Molex 03-06-2061
- Ambient Temperature: -40 °F to + 176 °F (-40 °C to +80 °C)
- Humidity Range: Up to 95% relative humidity non-condensing
Inside the Box:
- 780U-20 Ignition Module
- Double Sided Tape 3"x3"
- Spark Plug to 1/4" Quick Connect
- Mounting Screws
- Installation Guide
Replacement for models and numbers Fenwal: 05-162425-103, 05-162425-200, 05-162426-000, 05-162426-001, 05-162426-002, 05-162426-003, 05-162426-005, 05-162426-006, 05-162426-053, 05-162426-101, 05-162426-105, 05-162426-200, 05-162426-201, 05-162426-203, 05-169001-000, 05-169001-001, 05-169001-002, 05-169001-003, 05-169002-003, 05-169003-103, 05-169005-123, 05-169006-201, 05-169007-201, 05-169008-225, 05-169009-005, 05-169009-023, 05-169011-201, 05-169011-205, 05-169012-200, 05-169018-003, 05-272426-005, 05-272426-055, 05-272426-253, 05-279003-223, 05-279004-223, 05-296423-150, 05-296423-151, 05-296425-153, 05-296425-250, 05-296426-150, 05-296426-151, 05-296426-153, 05-296426-155, 05-296426-250, 05-296426-251, 05-296426-253, 05-296426-255, 05-296426-750, 05-296426-751, 05-296426-753, 05-296426-755, 05-296426-757, 05-296463-253, 05-296463-255, 05-296463-263, 05-296466-150, 05-296466-151, 05-296466-153, 05-296466-155, 05-296466-250, 05-296466-251, 05-296466-253, 05-296466-255, 05-296626-251, 05-296663-261, 05-296666-151, 05-296666-153, 05-296666-155, 05-299012-553, 35-605601-001, 35-605606-111, 35-605606-227, 35-605635-113 Honeywell: S87B1008, S87B1016, S87B1024, S87B1065, S87C1006, S87C1014, S87C1030, S87D1004, S87D1012, S87D1020, S87D1038, S87J1026, S87J1034, S87K10016, and S87K1008
