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Fenwal Controls

Gas Ignition Controls
THE critical safety component of gas fired equipment, they control the gas valve, safely light the burner and continuously monitor the flame – responding instantly to a loss of flame.  Fenwal’s microprocessor technology and “platform” designs provide precise, repeatable timings and high availability for the appliance service, whether it be LP or natural gas.

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​Fenwal® 35-50 Series for 12VDC
Advanced, microprocessor-based designs safely operate the gas valve and the ignition source while continually supervising the proper operation of the gas burner.

Ignition types include:
• Direct Spark (DSI)
• Hot Surface (HSI)

Typical Applications:
RV Furnaces and Water Heaters (tank type and tankless), Construction Heaters, Paving Machines, Agricultural Equipment.

Green Power:
Sterling Engines, Hydrogen Generators  
 
Features:
• Exceptional Flame Sensitivity
• Optional Combustion Blower Relay
• Optional Diagnostic LED
• Remote or Local Flame Sense
• Optional 1 hour Auto Reset

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Fenwal® 35-50 Series for 12 VDC

Fenwal® 35-50 Series for 12 VDC are listed by the Canadian Standards Association (CSA) and tested in accordance with Underwriters Laboratories (UL) Standard UL 1995 and CSA Standard C 22.2 No. 236-95. CSA file #219520.

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Fenwal® 35-60 Series for 24 VAC

Advanced, microprocessor-based designs safely operate the gas valve and the ignition source while continually supervising the proper operation of the gas burner.

Ignition types include:
• Direct Spark (DSI)
• Hot Surface (HSI)
• Intermittent Pilot (IP)

Typical Applications:
Boilers, Furnaces, Water Heaters,
Pool Heaters, Commercial Cooking Equipment 

Features:
• Exceptional Flame Sensitivity
• Configurable “platform” design
• Optional Combustion Blower Relay
• On-board Diagnostic LED
• Remote or Local Flame Sense
• Flame current test pins
• Optional 1 hour Auto Reset
• Custom timings and trial for ignition

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Fenwal® 35-70 Series for 120VAC

Advanced, microprocessor-based designs safely operate the gas valve and the ignition source while continually supervising the proper operation of the gas burner.

Ignition types include:
• Direct Spark (DSI)
• Hot Surface (HSI)

Typical Applications:
Construction Heaters, Grain Drying Systems,
Infrared and Radiant Heaters, Commercial Cooking Equipment,
Hearth, Decorative Gas Lanterns

Features:
• Exceptional Flame Sensitivity
• Optional Combustion Blower Relay
• Optional Diagnostic LED
• Remote or Local Flame Sense
• Optional 1 hour Auto Reset
• Custom timings and trial for ignition

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Fenwal® 35-9x Series for 24 VAC

Integrates the gas ignition burner control with operating temperature & high limit, plus flexible system control capabilities and options. Designed to be the central wiring point for all appliance components & accessories. 

Ignition types include:
• Ignition types include:
• Direct Spark (DSI)
• Hot Surface (HSI)
• Proven Hot Surface (HSIp)
• Intermittent Pilot (IP)

Typical Applications:
Boilers, Furnaces, Water Heaters, Pool Heaters, 
Commercial Cooking Equipment

Features:
• UL353 High Temperature Limit
• Exceptional Flame Sensitivity
• Configurable “platform” design
• Multiple proving & sensor inputs
• Multiple assignable relays

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Fenwal®  DETECT-A-FIRE ®
Rate-compensated fire and overheat detectors suitable for initiating alarm systems to provide precise and quick response.

Available styles:
Vertical Probe or Horizontal Mount
 
Typical Applications:
Vertical Mount:
Protection of Commercial, Industrial and Public Facilities, Stationary Power Generation Sites, Range Hoods, Paint Spray Booths, Vehicles, Hazardous Environments, Offshore Oil Rigs, Gasoline Stations
Horizontal Mount:
Protection of Commercial, Industrial and Public Facilities, Vehicles
 
Features:
• Hermetically Sealed
• Tamper-proof
• Pre-set temperature with automatic reset
• Shock and Vibration resistant

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Fenwal®  BIMETAL THERMOSTATS
Fixed setting devices designed specifically for temperature limiting applications. 
 
Available types:
• Immersion Probe
• Surface mount
 
Typical Applications:
Commercial Cooking, Medical Equipment, Plastic Processing Machinery, Transportation,Boilers, Air Compressors, Pumps, Diesel Engines, Transmissions, Fire Protection   
 
Features:
• Snap-action switching
• Hermetically Sealed (Probe type)
• Tamper-proof
• Pre-set temperature with automatic reset
• 100,000 cycle life
• Shock and Vibration resistant

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Fenwal®  THERMOSWITCH®
Differential expansion temperature controllers for demanding applications.  These slow make-break devices require no power and provide fast response, close control and high sensitivity. 
 
Available types:
• Immersion Probe
• Surface mount
• Air sensing
 
Typical Applications:
Commercial Cooking, Medical Equipment, Air Handling, Process Machinery, Transportation,Fluid Control, Fire Protection, Agricultural Waterers, Pipe Fusion Machines, & Chillers.   

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​Fenwal® Spark Electrodes & Flame Sensors

Critical component of gas-fired appliances, proper design, construction and application assures reliable lighting of the gas and sensing of the flame under a wide range of operating conditions. 

Construction details:

• Glazed Alumina ceramic
• Certified rod materials
• Suitable to 2175º F (1190º C)

Typical Applications:
Boilers, Furnaces, Water Heaters, Mobile Equipment,
Commercial Cooking Equipment
 

Fenwal offers:
A selection of universal designs of:
• Spark and Sense Electrodes
• Flame Sense Rods
• Spark Electrodes with Integral

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Fenwal Spark Electrodes and Flame Sensors are manufactured in a CSA approved facility. Listing of a specific spark electrode or flame sensor is available upon request subject to a minimum order quantity.

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Temperature Control/Limit; Fire & Overheat Detectors
Fenwal was founded in 1935 on the THERMOSWITCH® which continues today to be the industry standard for mechanical temperature controllers.  Precision temperature control and limiting are our heritage, as well as safety and protection provided by the DETECT-A-FIRE®, the first “rate compensated” fire detector.

 

Dependability
OEMs depend on Fenwal’s know-how, proven products and responsive service to support their often fast-track development of new products that both perform to specifications and meet stringent cost goals.  The large installed base of Fenwal products testifies to their high reliability and long service life. A network of Fenwal Representative with years of industry experience is a valuable local resource in achieving the optimal solution to product requirements.

 

Expanded Solutions
Fenwal’s best-in-class global manufacturing resources provide in-depth capabilities to respond to our customer’s changing needs.  Beyond top-tier production expertise and supply chain management, our combined engineering, applications experience and hands-on laboratory expand the possibilities of control for products with complete and custom-tailored solutions.  Fenwal has combined global agency approvals for many of our products,  including CE / CSA / AGA, providing customers with a “one SKU can take your appliance anywhere” approach.

 
Expertise
The Fenwal Value Proposition continues to be the foundation of our growth and development.  Our “platform” products provide the benefit of custom design with the price and availability of standard production units, including “quick turn” samples for agency and responsive production ramp-up.  Behind all this are Fenwal people who know our products in detail and understand your appliance, design goals and industry standards.  
 
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Fenwal Controls, Kidde-Fenwal, Inc.
400 Main Street
Ashalnd, MA 01721
(508) 881-2000

We welcome your questions & inquiries sales@fenwalcontrols.com
www.fenwalcontrols.com

  • …dependably controlling commercial cooking equipment in the toughest
    kitchen environments.

  • …delivering high efficiency performance in modern gas boilers, pool heaters and
    HVAC systems.

  • …protecting filling stations with the ETECT-A-FIRE® sensor in the fire suppression system.