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Mcdonnell & Miller Series 25-A Make-Up Water Feeder - Water Feeders
Mcdonnell & MillerWater Feeders

Mcdonnell & Miller Series 25-A Make-Up Water Feeder

McDonnell & Miller Water Feeders.

SKU 3G-OTH-02729

Also listed as: 25A · 25 A

Brand
Mcdonnell & Miller
Item
Series 25-A Make-Up Water Feeder
Category
Water Feeders
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 Water Feeders.

Frequently Asked Questions

What is the McDonnell & Miller 3G-OTH-02729 water feeder used for?

The McDonnell & Miller 3G-OTH-02729 is a float-operated proportional water feeder designed for boiler receiver tanks. It automatically maintains water level by feeding water in proportion to demand, using a soft seat for a positive seal between float and valve chambers.

What are the specifications of the McDonnell & Miller 3G-OTH-02729?

The McDonnell & Miller 3G-OTH-02729 is a float-operated proportional feed water feeder with a soft seat that provides a positive seal between the float chamber and valve chamber. It is designed for boiler receiver tanks. For detailed technical specs, contact 3G Electric.

Where to buy the McDonnell & Miller 3G-OTH-02729 in Singapore?

You can source the McDonnell & Miller 3G-OTH-02729 water feeder through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this boiler receiver tank component.

How to install the McDonnell & Miller 3G-OTH-02729 water feeder?

Install the McDonnell & Miller 3G-OTH-02729 by mounting it on the boiler receiver tank per the manufacturer's instructions. Ensure the float chamber is level and the soft seat seals properly. Always follow local boiler codes and consult a qualified technician for safe installation.

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 water feeders. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This float valve assembly is designed for automatic water level control in tanks, reservoirs, and cooling towers. It features a bronze angle valve body with 1/4" NPT female connections on both inlet and outlet, an adjustable arm, and includes the float and rod. Rated for 30 gpm at 60 psi, it mounts on horizontal piping
This float valve assembly is designed for automatic water level control in tanks, reservoirs, and cooling towers. It features a bronze angle valve body with 1/4" NPT female connections on both inlet and outlet, an adjustable arm, and includes the float and rod. Rated for 30 gpm at 60 psi, it mounts on horizontal piping
This float valve assembly automatically controls water levels in tanks, reservoirs, and cooling towers. It features a bronze angle valve body with FNPT inlet and outlet connections, an adjustable arm, and includes a float and rod with 1/4" NPT rod thread. Designed for horizontal piping, it delivers a flow rate of 50 gpm at 60 psi
This float valve assembly automatically controls water levels in tanks, reservoirs, and cooling towers. It features a bronze angle valve body with FNPT inlet and outlet connections, an adjustable arm, and includes a float and rod with 1/4" NPT rod thread. Designed for horizontal piping, it delivers a flow rate of 50 gpm at 60 psi
General service float and lever valve assembly for automatic water level control in tanks and reservoirs. Bronze angle valve body with cylindrical float and rod included. Mounts on horizontal piping, adjustable arm, FNPT inlet and outlet connections. Flow rate 50 gpm at 60 psi
General service float and lever valve assembly for automatic water level control in tanks and reservoirs. Bronze angle valve body with cylindrical float and rod included. Mounts on horizontal piping, adjustable arm, FNPT inlet and outlet connections. Flow rate 50 gpm at 60 psi
This float valve assembly is designed for automatic water level control in tanks and reservoirs. It features a bronze angle valve body with FNPT inlet and outlet connections, an adjustable arm, and includes a rod and float. Suitable for horizontal piping, it delivers a flow rate of 75 gpm at 60 psi
This float valve assembly is designed for automatic water level control in tanks and reservoirs. It features a bronze angle valve body with FNPT inlet and outlet connections, an adjustable arm, and includes a rod and float. Suitable for horizontal piping, it delivers a flow rate of 75 gpm at 60 psi
This float valve assembly is designed for automatic water level control in tanks and reservoirs. It features an angle bronze body with a cylindrical float and adjustable arm for horizontal piping mounting. Inlet and outlet connections are FNPT with a 1/4" NPT rod thread. Flow rate is 175 gpm at 60 psi
This float valve assembly is designed for automatic water level control in tanks and reservoirs. It features an angle bronze body with a cylindrical float and adjustable arm for horizontal piping mounting. Inlet and outlet connections are FNPT with a 1/4" NPT rod thread. Flow rate is 175 gpm at 60 psi
This float valve assembly is designed for automatic water level control in tanks and reservoirs. It features a bronze angle valve body with FNPT connections and includes a float and rod. The adjustable arm allows for precise level setting, and the assembly is rated for 100 gpm at 60 psi
This float valve assembly is designed for automatic water level control in tanks and reservoirs. It features a bronze angle valve body with FNPT connections and includes a float and rod. The adjustable arm allows for precise level setting, and the assembly is rated for 100 gpm at 60 psi

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