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The Fenwal 35-705501-505 is a top-performing direct spark ignition control unit designed for reliability and precision in controlling gas valves and igniting LP or natural gas in heating systems. This model operates at 120 volts and incorporates advanced features such as a 10-second trial for ignition and a 5-second prepurge with a remote sensor capability.
This control module is ideal for professional installation in various heating applications, providing robust operation with its dust and foreign object resistant case, and options for open board or potted configurations. It supports both single spark and multi-spark remote sensing.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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