Serving Original Equipment Manufacturers with reliable Fenwal products and expert technical advice for critical applications since 1935.

Welcome to Fenwal Controls

Fenwal is located in a modern manufacturing facility west of Boston, MA USA.  We partner with OEMs in HVAC, hydronics, commercial cooking, industrial/specialty and fire protection and thrive on solving application challenges.  We are a global company offering products, solutions and technical support worldwide through a network of local representatives and distributors.

Honeywell® S87 and S89 Replacements

Fenwal’s 35-6X Series are modern, economical alternatives that are microprocessor based and proven reliable in tough OEM applications. MORE

Johnson Controls 
Drop-In Replacement...
for the discontinued G77x Series Gas Ignition Control: the Fenwal’s 35-63J Series. For a cross-reference list and I&OM, click:  MORE

Where to Buy

Broad Agency Approvals
on Gas Ignition Controls
24 VAC Direct Spark & Intermittent Pilot controls have received approval to the latest CE standard EN 298:2003, CSA and AGA (Australian Gas) standards.  MORE


Kidde-Fenwal, Inc.
We are ISO 9001:2008 certified, have full test and development capabilities, veteran engineering staff, participate in GAMA and are well experienced at agency approvals. MORE



We Apologize...

Documents posted to our website may not display correctly in some browsers. We will be updating our site in the next months to resolve this issue. If you are unable to view datasheets or other content, please call or email us for prompt service. Thank you for your patience.



Product Catalog

Fenwal “platform” products provide the benefit of quick-turn samples...

News Articles

Eternal Flame

President JFK’s grave...

Ignition Systems & Gas Technology Appliance makers work on efficiency, emissions, reliability,
and cost...

Burning Clean
Efficient and environmentally friendly gas burner systems...

Technical Articles

EMI and Gas Ignition

The impact of electrical noise
and tips on how to address
potential challenges.

A Primer on Gas Ignition Systems

Types of ignition and how to correctly implement it within a
given product.


Fenwal Controls position in
meeting regulations.