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Mcdonnell & Miller Low Water Cut Off- Mechanical for Steam Boiler - Combination Low Water Cut Offspump Controllers
Mcdonnell & MillerCombination Low Water Cut Offspump Controllers

Mcdonnell & Miller Low Water Cut Off- Mechanical for Steam Boiler

Note: listed by manufacturer as obsolete/discontinued.

SKU 3G-OTH-02712

Also listed as: MM144051 · MM 144051

Brand
Mcdonnell & Miller
Item
Low Water Cut Off- Mechanical for Steam Boiler
Category
Combination Low Water Cut Offspump Controllers
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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 144051 used for?

The McDonnell & Miller 144051 is a combination low water cut-off and pump controller for commercial and industrial steam boilers. It provides primary low water fuel cut-off protection and high water alarm functions, helping prevent boiler damage from low water conditions.

What are the specifications of the McDonnell & Miller 144051?

The McDonnell & Miller 144051 is a motorized valve controller that combines low water cut-off and pump control. It is designed for steam boiler applications. Note that the manufacturer lists this model as obsolete or discontinued, so exact specifications should be verified with the supplier.

Where to buy the McDonnell & Miller 144051 in Singapore?

3G Electric supplies the McDonnell & Miller 144051 combination low water cut-off and pump controller to Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for current availability and lead time as this model is listed as discontinued by the manufacturer.

How to select a replacement for the McDonnell & Miller 144051?

Since the McDonnell & Miller 144051 is discontinued, consult a qualified boiler technician to identify a compatible replacement. Key factors include voltage, pressure rating, pipe connection size, and control functions. 3G Electric can help source suitable alternatives from McDonnell & Miller or other brands for your steam boiler system.

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 combination low water cut offspump controllers. 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 combination low water cut-off and pump controller integrates two functions into a single device for boiler protection and pump management. It is used in steam or hot-water heating systems to prevent low-water conditions and control condensate or feedwater pump operation. The controller is a replacement part for HVACR pumps, valves, and tubing applications
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This combination low water cut-off and pump controller integrates two functions into a single device for boiler protection and pump management. It is used in steam or hot-water heating systems to prevent low-water conditions and control condensate or feedwater pump operation. The controller is a replacement part for HVACR pumps, valves, and tubing applications
Combination low water cut-off and pump controller for steam and hot water boiler systems. Protects boilers from low-water conditions by shutting down the burner and can control the boiler feed pump. Suitable for commercial and industrial HVAC applications
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Combination low water cut-off and pump controller for steam and hot water boiler systems. Protects boilers from low-water conditions by shutting down the burner and can control the boiler feed pump. Suitable for commercial and industrial HVAC applications
The MCDONNELL 93-M-HD is a combination low water cut-off and pump controller for boiler systems. It integrates low water cut-off and pump control functions in a single device, protecting boilers from low-water conditions by shutting down the burner and managing the boiler feed pump
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The MCDONNELL 93-M-HD is a combination low water cut-off and pump controller for boiler systems. It integrates low water cut-off and pump control functions in a single device, protecting boilers from low-water conditions by shutting down the burner and managing the boiler feed pump
The 93-HDLS is a combination low water cut-off and pump controller for HVACR systems. It integrates burner shut-off and pump control in one unit, protecting boilers from low-water conditions and managing condensate or feedwater pump operation
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The 93-HDLS is a combination low water cut-off and pump controller for HVACR systems. It integrates burner shut-off and pump control in one unit, protecting boilers from low-water conditions and managing condensate or feedwater pump operation
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

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