Fenwal Booth #1123
January 2007
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VAC intermittent pilot gas ignition controls, designed for HVAC, commercial cooking equipment, boilers, furnaces, and other gas fired applications using the “spark-to-pilot” technique, are available from the company. The series 35 to 63 are said to provide precise, repeatable timing sequences configurable to 120 seconds TFI, local or remote flame sensing and are polarity insensitive. Reset from lockout is automatic or by recycling the thermostat. Flame sense current pins and LED blink codes simplify troubleshooting. The controls are designed and certified to CSA requirements and are available as an open board assembly or with a case and cover for surface mounting/securing to a standard 4 inch square electrical box. The controls have factory programmed designs for sensing pilot flames in hard-to-light environments.


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