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Mcdonnell & Miller Make-Up Water Feeder Series 851 and 851-S - Water Feeders
Mcdonnell & MillerWater Feeders

Mcdonnell & Miller Make-Up Water Feeder Series 851 and 851-S

Note: listed by manufacturer as obsolete/discontinued.

SKU 3G-OTH-02714

Brand
Mcdonnell & Miller
Item
Make-Up Water Feeder Series 851 and 851-S
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

Note: listed by manufacturer as obsolete/discontinued.

Frequently Asked Questions

What is the McDonnell & Miller 851 water feeder used for?

The McDonnell & Miller 851 water feeder is designed for commercial or industrial receiver tanks. It mounts directly on the receiver, eliminating the need for equalizing connections, and provides automatic water makeup to maintain proper boiler water levels.

What are the specifications of the McDonnell & Miller 851?

The McDonnell & Miller 851 is a water feeder for receiver tanks in commercial or industrial applications. It features a quick-change replaceable design and mounts directly on the receiver. Note: the manufacturer lists this model as obsolete or discontinued.

Where to buy the McDonnell & Miller 851 in Singapore?

3G Electric supplies the McDonnell & Miller 851 water feeder to Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for current availability and lead time on this discontinued model.

How to install the McDonnell & Miller 851 water feeder?

Install the McDonnell & Miller 851 directly onto the receiver tank flange. Ensure the tank is depressurized and drained before mounting. Use appropriate gaskets and tighten bolts evenly. Follow standard boiler safety practices and consult a qualified technician.

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 15-gallon vertical feed tank is constructed of polyethylene and includes a liquid level indicator float assembly. It is designed for use with chemical metering pumps, compatible with Mec-o-Matic Stingray series pumps, model SR105. The tank mounts vertically and provides storage and supply of chemicals in metering pump systems
PULSAFEEDER
This 15-gallon vertical feed tank is constructed of polyethylene and includes a liquid level indicator float assembly. It is designed for use with chemical metering pumps, compatible with Mec-o-Matic Stingray series pumps, model SR105. The tank mounts vertically and provides storage and supply of chemicals in metering pump systems
This 15-gallon vertical polyethylene feed tank stores and supplies chemicals for metering pumps. It includes bulkhead fittings for secure connections. Compatible with Chem-Tech Series 100 pumps, model X003-XA-AAAAG19
PULSAFEEDER
This 15-gallon vertical polyethylene feed tank stores and supplies chemicals for metering pumps. It includes bulkhead fittings for secure connections. Compatible with Chem-Tech Series 100 pumps, model X003-XA-AAAAG19
This 15-gallon vertical polyethylene feed tank is designed for use with chemical metering pumps. It includes feeder mounting hardware and is compatible with Chem-Tech XP series pumps, model XP007LFHXG19. The tank provides a reservoir for chemical solutions in metering applications
PULSAFEEDER
This 15-gallon vertical polyethylene feed tank is designed for use with chemical metering pumps. It includes feeder mounting hardware and is compatible with Chem-Tech XP series pumps, model XP007LFHXG19. The tank provides a reservoir for chemical solutions in metering applications
This 7.5 gallon polyethylene feed tank is designed for vertical mounting and includes mounting hardware. It features a 1/4 in tubing connection and is compatible with Stenner ECON series chemical metering pumps. Typical applications include storing and supplying chemicals for water treatment, pool sanitation, and industrial dosing processes
STENNER
This 7.5 gallon polyethylene feed tank is designed for vertical mounting and includes mounting hardware. It features a 1/4 in tubing connection and is compatible with Stenner ECON series chemical metering pumps. Typical applications include storing and supplying chemicals for water treatment, pool sanitation, and industrial dosing processes
Aluminum nutating disc totalizer with 1-inch FNPT connections, mechanical display, and +/-2% accuracy. Measures fuel transfer volumes in gallons. Equipped with Viton seals and Buna-N O-rings. Suitable for use on pumps, tanks, or dispensing systems in fueling applications where a non-powered totalizer is required
FILL-RITE
Aluminum nutating disc totalizer with 1-inch FNPT connections, mechanical display, and +/-2% accuracy. Measures fuel transfer volumes in gallons. Equipped with Viton seals and Buna-N O-rings. Suitable for use on pumps, tanks, or dispensing systems in fueling applications where a non-powered totalizer is required
This nutating disc totalizer measures fuel transfer volumes in gallons with a digital display. It features an aluminum body with 1 1/2 in FNPT connections, Buna-N seals and O-rings, and a standard frequency pulse output. Accuracy is +/-1.25%. Suitable for industrial fuel dispensing, fleet fueling, and bulk fuel transfer applications
FILL-RITE
This nutating disc totalizer measures fuel transfer volumes in gallons with a digital display. It features an aluminum body with 1 1/2 in FNPT connections, Buna-N seals and O-rings, and a standard frequency pulse output. Accuracy is +/-1.25%. Suitable for industrial fuel dispensing, fleet fueling, and bulk fuel transfer applications

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