Fenwal
Fenwal makes dependable ignition, temperature, and thermal safety controls that help HVAC and service professionals keep gas-fired equipment operating safely and consistently in the field. At Jackson Systems, contractors can find key Fenwal solutions like direct spark and hot surface ignition control modules, intermittent pilot controls, Thermoswitch temperature controls, Detect-A-Fire heat detectors, and replacement electrode assemblies.

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More About Fenwal at Jackson Systems & Supply
Fenwal products are built for demanding applications where dependable sequencing, accurate control, and safety matter. Their ignition controls are known for precise, repeatable operation, while thermal switches and heat detectors add another layer of protection for equipment that runs under high heat conditions.
Why Choose Fenwal?
Precise ignition control
Microprocessor-based ignition controls are designed for repeatable timing and reliable operating sequences, helping support safe, consistent burner light-off.
Faster troubleshooting
Many Fenwal ignition platforms include LED diagnostics and status feedback that make fault identification and service work more efficient.
Proven thermal protection
Fenwal’s THERMOSWITCH and DETECT-A-FIRE product families are built for temperature control and overheat detection in critical heat-producing equipment.
















































