Fenwal Controls

Fenwal was founded in 1935, and versions of our original THERMOSWITCH® control are still in production today. With over 80 years of expertise, we offer a broad range of gas ignition and temperature controls for applications such as HVAC, commercial cooking, industrial fire protection, medical and agriculture. Trust Fenwal to provide reliable and cost effective products custom configured to your needs.

Fenwal pioneered automatic gas burner technology, and today offers a complete line of globally-approved gas ignition controls. Direct spark, hot surface and intermittent pilot configurations are available in a wide range of input voltages. Our microprocessor-based controls provide precise, repeatable and safe operation for all types of gas-fired equipment.

Fenwal’s long tradition started with the Fenwal THERMOSWITCH® controller, and has expanded to include both temperature controllers and bimetal thermostats for control and limiting applications. We specialize in high-precision, custom-configured products for both air-sensing and immersion-type applications.

Fenwal is a world leader in mechanical heat detectors. We offer rate-compensated heat detectors suitable for initiating an alarm or actuating a fire suppression system. Featuring a hermetically sealed, tamper-proof mechanism, our Fenwal DETECT-A-FIRE® heat detector provides reliable performance even under harsh environmental conditions.