We ship to Indonesia — door-to-door, customs and logistics handled by 3G Electric

Mcdonnell & Miller Series 551-S Make-Up Water Feeder - Water Feeders
Mcdonnell & MillerWater Feeders

Mcdonnell & Miller Series 551-S Make-Up Water Feeder

McDonnell & Miller Water Feeders.

SKU 3G-OTH-02737

Also listed as: 551S · 551 S

Brand
Mcdonnell & Miller
Item
Series 551-S Make-Up Water Feeder
Category
Water Feeders
Available to Order
Ready stock & customs handled
  • 6–10 business days door-to-door; Bea Cukai clearance typically 3–5 business days.
  • Invoicing in IDR or USD. Bank transfer and corporate PO accepted.
  • Ships to: Jakarta, Surabaya, Bandung, Medan, Batam
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Indonesia

Phone
+65 8878 8355

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Mcdonnell & Miller Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

McDonnell & Miller Water Feeders.

Supplied to Indonesia — compatible with 50 Hz installations. DHL Express delivery to Jakarta, Surabaya, Bandung, customs and duties handled door-to-door.

Frequently Asked Questions

What is the McDonnell & Miller 3G-OTH-02737 water feeder used for?

The McDonnell & Miller 3G-OTH-02737 is a proportional water feeder designed to automatically add water to steam separators, receivers, tanks, or other vessels. It maintains proper water levels in low-pressure steam heating systems, preventing dry-firing and ensuring efficient operation.

What are the specifications of the McDonnell & Miller 3G-OTH-02737 water feeder?

The 3G-OTH-02737 features a proportional feed action and a quick-change replaceable cartridge valve. It is designed for low-pressure steam applications. For exact pressure ratings and connection sizes, refer to the manufacturer's datasheet. 3G Electric supplies this model for Singapore buyers.

Where to buy the McDonnell & Miller 3G-OTH-02737 in Singapore?

3G Electric supplies the McDonnell & Miller 3G-OTH-02737 water feeder to Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact our team for a quotation and lead time on this proportional feed water feeder.

How to install a McDonnell & Miller 3G-OTH-02737 water feeder?

Install the 3G-OTH-02737 in the supply line to the vessel, ensuring proper orientation per the manual. Use a quick-change cartridge valve for easy maintenance. Always follow local plumbing codes and the manufacturer's instructions. 3G Electric can provide sourcing support for this McDonnell & Miller model.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
For boiler receiver tanks Float operated Proportional feed action Soft seat provides positive seal Seal between float chamber and valve chamber is not
McDonnell & Miller
For boiler receiver tanks Float operated Proportional feed action Soft seat provides positive seal Seal between float chamber and valve chamber is not
For boiler receiver tanks Direct mounting eliminates need for equalizing connections Proportional feed action Mounting Flange six 7 16
McDonnell & Miller
For boiler receiver tanks Direct mounting eliminates need for equalizing connections Proportional feed action Mounting Flange six 7 16
Field-adjustable dwell-feed cycles Multi-color LED status indicator Manual feed button Hard-stop limit to minimize chances of flooding the boiler Compatible with
McDonnell & Miller
Field-adjustable dwell-feed cycles Multi-color LED status indicator Manual feed button Hard-stop limit to minimize chances of flooding the boiler Compatible with
Automatic water feeder for maintaining water levels in hydronic heating systems. Designed for replacement in HVACR pumps, valves, and tubing applications. Helps prevent low-water conditions in boilers
MCDONNELL
Automatic water feeder for maintaining water levels in hydronic heating systems. Designed for replacement in HVACR pumps, valves, and tubing applications. Helps prevent low-water conditions in boilers
This water feeder automatically maintains water level in low-pressure steam boilers and hydronic heating systems. It adds water when levels drop, ensuring safe boiler operation. Suitable for use as a replacement component in HVACR pumps, valves, and tubing
MCDONNELL
This water feeder automatically maintains water level in low-pressure steam boilers and hydronic heating systems. It adds water when levels drop, ensuring safe boiler operation. Suitable for use as a replacement component in HVACR pumps, valves, and tubing

More from McDonnell & Miller

View all McDonnell & Miller parts
For low pressure steam boilers with cold water feed Eliminates necessity to manually add water to the boiler Can be used with mechanical or electronic low water
McDonnell & Miller
For low pressure steam boilers with cold water feed Eliminates necessity to manually add water to the boiler Can be used with mechanical or electronic low water
For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m2) with hot or cold water feed
McDonnell & Miller
For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m2) with hot or cold water feed
For steam and hot water boilers with cold water feed Continuous maintenance of minimum safe water level, independent of electrical service Proportional feed
McDonnell & Miller
For steam and hot water boilers with cold water feed Continuous maintenance of minimum safe water level, independent of electrical service Proportional feed
For steam and hot water boilers with cold water feed Continuous maintenance of minimum safe water level and independent of electrical service Proportional feed
McDonnell & Miller
For steam and hot water boilers with cold water feed Continuous maintenance of minimum safe water level and independent of electrical service Proportional feed
For receiver tanks in commercial or industrial applications Mounts directly on the receiver, eliminating need for equalizing connections Quick-change replaceable
McDonnell & Miller
For receiver tanks in commercial or industrial applications Mounts directly on the receiver, eliminating need for equalizing connections Quick-change replaceable
For receiver tanks in commercial or industrial applications Mounts directly on the receiver, eliminating need for equalizing connections Quick-change replaceable
McDonnell & Miller
For receiver tanks in commercial or industrial applications Mounts directly on the receiver, eliminating need for equalizing connections Quick-change replaceable
For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m 2 ) capacity with cold water feed Quick-change replaceable cartridge valve and
McDonnell & Miller
For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m 2 ) capacity with cold water feed Quick-change replaceable cartridge valve and
For high capacity [up to 35,000 sq. ft. (3250m 2 )] low pressure steam and hot water boilers with cold water feed
McDonnell & Miller
For high capacity [up to 35,000 sq. ft. (3250m 2 )] low pressure steam and hot water boilers with cold water feed