Fenwal 35-655910-991 Module

HSI Mod,45secPP&IntPurge,4sTFI

Fenwal 35-655910-991 Ignition Control Module – Reliable Hot Surface Ignition Control for Gas-Fired Systems

The Fenwal 35-655910-991 Module is a high-performance Hot Surface Ignition (HSI) control board designed to deliver safe, reliable, and efficient ignition control for gas-fired appliances. Engineered with advanced safety features and rugged construction, this ignition module provides dependable operation across a wide range of temperatures and applications.

Product Overview

• Model: 35-655910-991

• Brand: Fenwal

• Description: HSI Module, 45-second Prepurge & Interpurge, 4-second Trial for Ignition

• Type: 24 VAC Hot Surface Ignition Control Module

• Certification: CSA Approved

Key Features

• Input Power: 18–30 VAC, 50/60 Hz (Class 2 Transformer)

• Output Ratings:

  • Gas Valve: 2.0A max @ 24 VAC

  • Combustion Blower: 3.0 FLA max @ 120 VAC, 1.5 FLA max @ 240 VAC

  • Hot Surface Element: 5.0A max @ 120/240 VAC

• Ignitor Compatibility: Works with 24 VAC, 120 VAC, or 240 VAC mini or silicon carbide ignitors

• Flame Sensitivity: 0.7 microamps minimum

• Operating Temperature: -40°F to +176°F (-40°C to +80°C)

• Gas Types Supported: Natural, LP, or manufactured gas

• Enclosure Material: Gray Noryl N-190 with conformal coating for moisture resistance up to 95% RH (non-condensing)

• Purge Time: 45 seconds prepurge and interpurge

• Trial for Ignition (TFI): 4 seconds

Benefits

• Ensures safe ignition sequence and continuous flame monitoring

• Designed for harsh environments with moisture-resistant coating

• Compatible with a variety of HVAC and gas-fired equipment

• Provides quick and consistent ignition performance

• Easy to install and service with universal mounting design

Applications

The Fenwal 35-655910-991 Hot Surface Ignition Module is ideal for:

• Furnaces and boilers

• Gas-fired heaters

• Industrial burners and ovens

• Commercial HVAC systems

• Process heating equipment

Why Choose the Fenwal 35-655910-991

Fenwal is a trusted name in flame safety and ignition control technology. The 35-655910-991 module offers advanced reliability, enhanced performance, and long service life—making it a preferred choice for both OEM and replacement installations.

Shop with Confidence

Purchase the Fenwal 35-655910-991 Ignition Control Module from our HVAC supply store for competitive pricing, fast shipping, and exceptional customer support. Our experienced team is ready to assist you with any product or technical questions

Order the Fenwal 35-655910-991 Hot Surface Ignition Control Module today for dependable performance and long-lasting operation in your gas-fired systems.