The Dynablast 420 flow switch detects water flow, allowing burner operation only when safe. Rated to 4,000 PSI and 25 GPM, it prevents overheating and protects the system from dry fire.
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Dynablast 420 Boiler
SKU: HW225
Fuel Nozzle
Dynablast 420 Boiler
SKU: 420 Complete Boiler Maintenance Kit
Full Maintenance Kit for Dynablast 420 Boiler
Dynablast 420 Boiler
SKU: HW5780
Electrode Kit
Dynablast 420 Boiler
SKU: HW40201
420 Burner Insulation Kit
The flow switch in the Dynablast 420 boiler is a safety-critical sensor that detects the presence of water flow through the coil—ensuring that the burner only operates when adequate water circulation is present to prevent overheating or dry fire conditions. Dynablast’s GP101068 flow switch, rated up to 4,000 PSI and 25 GPM, features a micro-switch and ½″ NPT connections, automatically interrupting burner operation if flow drops below safe levels to protect system integrity.
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The Dynablast 420 flow switch detects water flow, allowing burner operation only when safe. Rated to 4,000 PSI and 25 GPM, it prevents overheating and protects the system from dry fire.
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