Honeywell Home S87D Series S87D1004 Direct Spark Ignition Control, 25 V, 1/4 in, Male Quick-Connect

The S87D is a low voltage, solid state, direct spark ignition control module for gas fired furnaces, boilers and heating appliances. Models are available with or without a prepurge timer. The S87 controls the gas valve, monitors the main burner flame and generates a high voltage for spark ignition.

Honeywell Home Direct Spark Ignition Control, S87D Series, 25 V, 2 A, 1/4 in Connection, Male Quick-Connect Connection, Liquid Propane, Natural Gas, 6 s Lockout, 4.06 in Width, 5-1/4 in Height, For Use With: Gas Fired Furnaces, Boilers and Heating Appliances, Additional Information: 2-Rod, 60 Hz Frequency Rating, - 40 to 175 deg F Temperature Rating

• S87D uses separate electrodes for spark ignition and flame sensing
• Use with any gas control designed for OSI application that is rated at 2 A or less
• For direct replacement of S825D
• External, replaceable fuse protects system transformer and temperature controller
• Automatic system lockout after trial for ignition if malfunction exists or main burner flame fails to ignite
• All models available with 4, 6, 11 or 21 sec (nominal) lockout time
• Compact, solid state components for accurate, long-lasting performance
• Convenient remote start procedure, after safety shutdown, control module can be reset from the temperature controller
• Low voltage control circuit reduces wiring costs
• Uses flame rectification principle to prove presence of main burner flame, false flame signal resulting from short to ground results in safety shut down

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/Honeywell_Home_S87D1004_Instruction_Installation_Manual.pdf