Resideo S8801A1110 Ignition Module

The Resideo S8801A1110 Direct Spark Ignition Control provides ignition sequencing, flame monitoring, pressure-switch input, fan relay control, and safety shutdown for compatible direct-spark gas-fired equipment.

Designed for a 24 VAC control circuit with an 18–30 VAC operating range at 50/60 Hz, this direct spark ignition module uses a two-rod flame-sensing configuration and an external high-voltage spark generator.

The control provides one ignition trial with a 4-second ignition trial period and a nominal 30-second pre-purge sequence. An alarm terminal supports system diagnostics and troubleshooting.

When replacing an existing gas ignition control module, verify the equipment wiring, terminal configuration, control voltage, flame-sensing arrangement, ignition sequence, and gas-valve load before installation.

Key Benefits

• Part Number: S8801A1110/U
• Manufacturer: Resideo
• Product Type: External Direct Spark Ignition Control
• Control Voltage: 24 VAC
• Operating Voltage Range: 18–30 VAC
• Frequency: 50/60 Hz
• Pre-Purge: Nominal 30 seconds
• Ignition Trial: 4 seconds
• Ignition Trials: One trial before lockout
• Flame Sensing: Two-rod configuration
• Ignition Source: External high-voltage spark generator
• Maximum Gas Valve Load: 2A at 24 VAC
• Operating Temperature: -40°F to 175°F
• Alarm terminal for system diagnostics
• Controls ignition sequencing, flame monitoring, pressure-switch input, fan relay operation, and safety shutdown

Common Questions

What is the Resideo S8801A1110 used for?
It is an external direct-spark ignition control used to manage ignition sequencing, flame supervision, pressure-switch input, fan relay operation, and safety shutdown in compatible gas-fired appliances.

What is the pre-purge time?
The control has a nominal 30-second pre-purge. Resideo specifies an operating range of approximately 28 to 38 seconds.

How long is the ignition trial?
The S8801A1110 provides one 4-second ignition trial before lockout if flame is not successfully proven.

What type of flame sensing does it use?
The control uses a two-rod flame-sensing configuration with an external high-voltage spark generator.

Can the S8801A1110 replace an older S87 or S89 ignition module?
Resideo identifies the S8801 family for replacement of certain older S87 and S89 ignition modules. Terminal sizes and locations may differ, so verify the original control, wiring, ignition sequence, and equipment requirements before replacement.

What should be checked before installation?
Verify the 24 VAC control requirement, flame-sensing arrangement, ignition sequence, wiring, terminal configuration, gas-valve load, and original equipment specifications.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

S8801A1110 is the cross for S89F1098