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Mcdonnell & Miller Series 67 – Low Water Cut-Offs - Low Water Cut Offs
Mcdonnell & MillerLow Water Cut Offs

Mcdonnell & Miller Series 67 – Low Water Cut-Offs

McDonnell & Miller Low Water Cut Offs.

SKU 3G-OTH-02741

Brand
Mcdonnell & Miller
Item
Series 67 – Low Water Cut-Offs
Category
Low Water Cut Offs
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Documents

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Mcdonnell & Miller Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

McDonnell & Miller Low Water Cut Offs.

Frequently Asked Questions

What is the McDonnell & Miller low water cut-off used for?

The McDonnell & Miller low water cut-off is used to protect steam and hot water boilers from low-water conditions. It automatically shuts down the burner when water level drops, preventing boiler damage. The dual precision switches provide redundant safety, while the lever-operated ball valve enables easy blow down.

What are the specifications of the McDonnell & Miller low water cut-off?

This McDonnell & Miller low water cut-off features a lever-operated full port ball valve for blow down, an adjustable BX outlet for flexible installation, and dual precision switches for redundant low-water cutoff. It is designed for boiler applications requiring reliable water level monitoring and safety shutdown.

Where to buy McDonnell & Miller low water cut-offs in Singapore?

You can source McDonnell & Miller low water cut-offs in Singapore through 3G Electric. We supply genuine McDonnell & Miller components and handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this model.

How to install a McDonnell & Miller low water cut-off?

Install the McDonnell & Miller low water cut-off by mounting it at the boiler's recommended water level line. Connect the adjustable BX outlet to the control circuit, and wire the dual precision switches per the wiring diagram. Ensure the ball valve is accessible for periodic blow down to remove sediment.

Used in

Common applications for Mcdonnell & Miller
Steam boiler low-water cutoff — McDonnell & Miller inline flow switches (e.g., FS-1) for automatic burner shutdown
Cooling water flow monitoring — McDonnell & Miller insertion-style switches (e.g., FS4-3D) in large-diameter pipes
Hazardous-area process lines — McDonnell & Miller FS7-4E with NEMA 7/9 enclosure for Class I, Div 1 locations
HVAC chilled water systems — McDonnell & Miller FS6-1 inline switch for pump flow verification
Industrial wastewater treatment — McDonnell & Miller FS4-3S stainless steel switch for corrosive fluid flow detection
Boiler feedwater control — McDonnell & Miller FS8-WJ with BSP connections for international installations

Mcdonnell & Miller Products

3G Electric supplies Mcdonnell & Miller low water cut offs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Heavy Duty Adjustable BX outlet for easy installation Dual precision switches for dependable operation of the low water cut-off and alarm or electric water
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Heavy duty Adjustable BX outlet for easy installation Dual precision switches for dependable operation of the low water cut-off and alarm or electric water
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120V/24V Models available Green LED indicates power On Red LED indicates Low Water Test button Meets requirements of ASME Standards CSD-1 No lock out with loss of
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