McDonnell & Miller Series 63 Low Water Cut-off 63-M, Mechanical with Manual Reset

Safgard™ 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 . Click for Instructions

Safgard™ 650 Series Low Water Cut-Off W/Auto Reset, Short Probe, Commerical, 120 V Interrupts power immediately in a low water condition. Automatically restarts burner on return of water level. Features test button, onboard indicating lights and easy to follow installation instructions. Model 1100 includes plug-in wire harness with labeled quick-connect terminals. Model 1100 is available with additional wiring harnesses for popular boilers. Made in the USA . Click for Instructions

Safgard™ 600 Series Low Water Cut-Off W/Auto Reset, Commerical, 24V Interrupts power immediately in a low water condition. Automatically restarts burner on return of water level. Features test button, onboard indicating lights and easy to follow installation instructions. Model 1100 includes plug-in wire harness with labeled quick-connect terminals. Model 1100 is available with additional wiring harnesses for popular boilers. Made in the USA . Click for Instructions

Durable, quality tools that can withstand frequent and rigorous applications, the R6 Series can handle 6 hour workdays and get the job done. 3/16" mild steel capacity Heavy-duty ball bearing construction increases durability360 degree rotating metal safety guard Safety throttle lock increases user safety3/16" mild steel capacity Heavy-duty ball bearing construction increases durability360 degree rotating metal safety guard Safety throttle lock increases user safety

Safgard™ 711 Series Low Water Cut-Off For Sight Glass Attachement, Water Feed Valve Assembly Mounts to sight glass tappings. Maintains water level between two probes. Designed to operate with existing water feeder. Includes 711C manifold, two model EL1214 probes and quick hook-up fittings. Note: The 711 & 724 Series is recommended for use on older boilers that do not have tappings suitable for Safgard 400 and CycleGard 400 Series cut-off. Made in the USA . Click For Instructions