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Mcdonnell & Miller Series 750B-C3/C4 Chamber - Liquid Level Controls
Mcdonnell & MillerLiquid Level Controls

Mcdonnell & Miller Series 750B-C3/C4 Chamber

McDonnell & Miller Liquid Level Controls.

SKU 3G-OTH-02744

Also listed as: 750BC3C4 · 750B C3 C4 · 750B-C3-C4

Brand
Mcdonnell & Miller
Item
Series 750B-C3/C4 Chamber
Category
Liquid Level Controls
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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 Liquid Level Controls.

Frequently Asked Questions

What is the McDonnell & Miller 750B-C3/C4 NEMA 4X chamber enclosure used for?

The McDonnell & Miller 750B-C3/C4 is a liquid level control enclosure used in steam boiler applications to house level-sensing components. It is designed for environments requiring NEMA 4X protection against water, dust, and corrosion, and handles maximum steam pressure up to 250 psig (17.6 kg/cm²).

What are the specifications of the McDonnell & Miller 750B-C3/C4?

The McDonnell & Miller 750B-C3/C4 is a NEMA 4X chamber enclosure for liquid level controls. It has a listed maximum steam pressure of 250 psig (17.6 kg/cm²). The SKU is 750B-C3/C4. This McDonnell & Miller model is built for durability in industrial steam systems.

Where to buy the McDonnell & Miller 750B-C3/C4 in Singapore?

You can source the McDonnell & Miller 750B-C3/C4 through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this liquid level control enclosure.

How to install the McDonnell & Miller 750B-C3/C4 enclosure?

Install the McDonnell & Miller 750B-C3/C4 by mounting it securely to the boiler chamber and connecting wiring per the manufacturer's manual. Ensure the NEMA 4X seal is intact to maintain protection. Follow local codes and use proper conduit fittings for steam pressure up to 250 psig (17.6 kg/cm²).

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

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