MCDONNELL & MILLER Water Control, 150W
SKU 3G-OTH-83085
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Frequently Asked Questions
What is the MCDONNELL & MILLER 157S low water cut-off used for?
The MCDONNELL & MILLER 157S low water cut-off protects boilers and steam systems by shutting down the burner when water level drops below safe limits. It is commonly used in commercial and industrial HVAC applications to prevent dry-fire damage and ensure safe operation.
What are the specifications of the MCDONNELL & MILLER 157S?
The MCDONNELL & MILLER 157S is a low water cut-off with a snap switch rated for 150W. It is designed for use in steam and hot water boilers. The product type is Low Water Cut-Off, and the manufacturer part number is 157S. It provides reliable level sensing for system protection.
Where to buy the MCDONNELL & MILLER 157S worldwide?
You can source the MCDONNELL & MILLER 157S low water cut-off through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this replacement HVACR component.
How to install the MCDONNELL & MILLER 157S low water cut-off?
Install the MCDONNELL & MILLER 157S in the boiler water line according to manufacturer guidelines. Ensure proper wiring to the snap switch and burner circuit. Test the cut-off function after installation. For specific procedures, consult the product manual or a qualified technician.
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3G Electric supplies MCDONNELL replacement hvacr pumps, valves & tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
