35-625506-011

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35-625506-011

The Fenwal 35 Series Direct Spark Ignition Controls utilize a microprocessor to continually analyze and control the proper operation of the gas burner. The microprocessor circuit design provides precise, repeatable timing sequences for ignition times and purge times, one hour automatic reset and flame sensing during pre-purge. The 35 Series includes on-board diagnostics with LED output to provide assistance with troubleshooting, and to ensure safe and efficient burner operation.
Robertshaw part number 620-405

620-405

The Robertshaw® 620 Series Transformers are available in a wide variety of models from universal enclosed to single voltage open frame models. UL approved 1411. Meets applicable NEMA standards. Thermal fuse protection. UL File No. E92807 UPC:  662013639693
Robertshaw part number 35-630501-001

35-630501-001

The Fenwal 35 Series Pilot Controls are a 24V AC intermittent pilot ignition control. The microprocessor circuit design provides precise, repeatable timing and operating sequences. The on-board diagnostics with LED output provide assistance with troubleshooting to ensure safe and efficient operation.
Robertshaw part number 620-502

620-502

The Robertshaw® 620 Series Transformers are available in a wide variety of models from universal enclosed to single voltage open frame models. UL approved 1411. Meets applicable NEMA standards. Thermal fuse protection. UL File No. E92807 UPC:  662013639693
Robertshaw part number 620-202

620-202

The Robertshaw® 620 Series Transformers are available in a wide variety of models from universal enclosed to single voltage open frame models. UL approved 1411. Meets applicable NEMA standards. Thermal fuse protection. UL File No. E92807 UPC:  662013639693
Robertshaw part number 620-503

620-503

The Robertshaw® 620 Series Transformers are available in a wide variety of models from universal enclosed to single voltage open frame models. UL approved 1411. Meets applicable NEMA standards. Thermal fuse protection. UL File No. E92807 UPC:  662013639693
Robertshaw part number 10-6830

10-6830

Enhance the performance and safety of your HVAC system with the Robertshaw® Direct Replacement Flame Sensor

780-785

The Robertshaw® 780 Series Hot Surface Controls are designed for use on gas fired systems. The system acts on a demand for heat by a switch or thermostat to supply power to the ignition control. On non pre-purge models, the ignitor will be energized immediately and remain on for either of two optional selected ignitor heat-up times: approximately 17 or 34 seconds. For models with the prepurge option, there is a time delay equal to the heat-up time selected before the ignitor is energized. At the end of the ignitor heat-up time, the gas valve is opened supplying gas to the main burner. After several seconds, the ignitor is turned off and the sensor is energized. As long as flame is sensed, the system continues to operate.
Robertshaw part number 10-6850

10-6850

Enhance the performance and safety of your HVAC system with the Robertshaw® Direct Replacement Flame Sensor
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