Mcdonnell & Miller Series 767 – Low Water Cut-Offs
Note: listed by manufacturer as obsolete/discontinued.
SKU 3G-OTH-02746
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
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Product Description
Note: listed by manufacturer as obsolete/discontinued.
Frequently Asked Questions
What is the McDonnell & Miller 21 low water cut-off used for?
The McDonnell & Miller 21 is a low water cut-off used on steam and hot water boilers to shut down the burner if water level drops below safe limits. It features a lever-operated full port ball valve for blow down and an adjustable BX outlet for wiring.
What are the specifications of the McDonnell & Miller 21 low water cut-off?
The McDonnell & Miller 21 has a 2-inch NPT body tapping for side mounting on boilers. It includes a lever-operated full port ball valve for blow down and an adjustable BX outlet. Note: the manufacturer lists this model as obsolete/discontinued.
Where to buy the McDonnell & Miller 21 in Singapore?
3G Electric supplies the McDonnell & Miller 21 low water cut-off to Singapore. We source and deliver this item, handling logistics and customs clearance. Contact us for availability and lead time.
How to install the McDonnell & Miller 21 low water cut-off?
Install the McDonnell & Miller 21 by mounting it on the boiler side using the 2-inch NPT tapping. Ensure the blow-down valve is accessible for periodic maintenance. Wire the adjustable BX outlet per local codes. Always follow the manufacturer's instructions for safe operation.
Used in
Common applications for Mcdonnell & MillerMcdonnell & 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.
