Mcdonnell & Miller Series 21/221 Make-Up Water Feeders
McDonnell & Miller Water Feeders.
SKU 3G-OTH-02728
Also listed as: 21221 · 21 221 · 21-221
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 Water Feeders.
Frequently Asked Questions
What is the McDonnell & Miller 21/221 water feeder used for?
The McDonnell & Miller 21/221 water feeder is designed for boiler receiver tanks to automatically maintain proper water levels. Its direct mounting eliminates the need for equalizing connections, and the proportional feed action ensures precise water addition, making it ideal for commercial and industrial steam boiler systems.
What are the specifications of the McDonnell & Miller 21/221 water feeder?
The McDonnell & Miller 21/221 water feeder features a mounting flange with six 7/16-inch bolt holes for direct installation on boiler receiver tanks. It provides proportional feed action to regulate water flow without requiring equalizing connections. For detailed technical specifications, consult the manufacturer's datasheet.
Where to buy the McDonnell & Miller 21/221 water feeder in Singapore?
You can source the McDonnell & Miller 21/221 water feeder through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact our team for a quotation and lead time on this boiler component.
How to install the McDonnell & Miller 21/221 water feeder?
Install the McDonnell & Miller 21/221 water feeder by bolting its flange directly to the boiler receiver tank using the six 7/16-inch bolt holes. Ensure the tank opening matches the flange pattern. No equalizing connections are needed. Follow standard boiler safety procedures and consult a qualified technician for proper setup.
Used in
Common applications for Mcdonnell & MillerMcdonnell & Miller Products
3G Electric supplies Mcdonnell & Miller water feeders. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
![For high capacity [up to 35,000 sq. ft. (3250m 2 )] low pressure steam and hot water boilers with cold water feed](/img/pi/8b2b5864-974b-4fe7-b025-819532c82723?w=200&v=3)
