Mcdonnell & Miller Series 69 – Built-In Low Water Cut-Offs
McDonnell & Miller Low Water Cut Offs.
SKU 3G-OTH-02742
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
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 in steam and hot water boilers to automatically shut off the burner if the water level drops below a safe point, preventing dry-fire damage. It mounts in 2½" NPT boiler side tappings and is essential for boiler safety in commercial and industrial heating systems.
What are the specifications of the McDonnell & Miller low water cut-off?
This McDonnell & Miller low water cut-off is designed for mounting in 2½" NPT boiler side tappings. It features a packless construction and offers insertion lengths of 1-3/16", 4-1/8" (30–105 mm). The exact model and pressure/temperature ratings should be verified from the manufacturer's datasheet for your specific application.
Where to buy McDonnell & Miller low water cut-offs in Singapore?
3G Electric supplies McDonnell & Miller low water cut-offs to customers in Singapore. We source these safety devices globally and handle all logistics, customs clearance, and delivery to your facility. Contact our team for a quotation and lead time on your required insertion length.
How to install a McDonnell & Miller low water cut-off in a boiler?
Install the McDonnell & Miller low water cut-off into a 2½" NPT boiler side tapping at the recommended water line level. Ensure the insertion length matches your boiler's dimensions (available from 1-3/16" to 4-1/8"). Follow the manufacturer's wiring diagram for electrical connections and test the cut-off function after installation.
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.
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