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Safgard&#8482; 550 Series Low Water Cut-Off W/Manual Reset, Short Probe, Commereical, 120V Interrupts power immediately in a low water condition. Burner circuit locks-out if water remains below probe for 30 seconds. Manual reset will not trip due to power failures. Test button checks burner circuit to ensure proper control operation and lock-out function without lowering the water level. Note: Can also be used as a secondary cut-off on steam boilers. Made in the USA. <center> <a href=http://www.globalindustrial.com/site/images/universal/Hydrolevel/550_650_750_opt_inst.pdf 'title='Class IV Warranty' target="_blank">Click for Instructions</a> </center>

Safgard&#8482; 550 Series Low Water Cut-Off  550SV W/Manual Reset, Short Probe, Commereical, 120V

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