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MCDONNELL & MILLER Bellows Assembly: 347900 Mfr Part # - Replacement HVACR Pumps, Valves & Tubing
MCDONNELLReplacement HVACR Pumps, Valves & Tubing

MCDONNELL & MILLER Bellows Assembly: 347900 Mfr Part #

The MCDONNELL & MILLER Bellows Assembly (Manufacturer Part Number 347900) is a replacement component for HVACR pumps, valves, and tubing. This bellows assembly is compatible with Manufacturer Part Number 150.

SKU 3G-OTH-80430

Brand
MCDONNELL
Item
& MILLER Bellows Assembly: 347900 Mfr Part #
Category
Replacement HVACR Pumps, Valves & Tubing
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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 Specifications

MCDONNELL
Manufacturer Part Number
347900
Product Type
Bellows Assembly
Compatible Manufacturer Part Number
150

Technical Documents

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MCDONNELL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MCDONNELL & MILLER Bellows Assembly (Manufacturer Part Number 347900) is a replacement component for HVACR pumps, valves, and tubing. This bellows assembly is compatible with Manufacturer Part Number 150.

Frequently Asked Questions

What is the MCDONNELL & MILLER Bellows Assembly 347900 used for?

The MCDONNELL & MILLER Bellows Assembly 347900 is a replacement component used in HVACR pumps, valves, and tubing systems. It serves as a flexible seal that accommodates thermal expansion and vibration, helping maintain system integrity in commercial and industrial heating, cooling, and refrigeration applications.

What are the specifications of the MCDONNELL & MILLER Bellows Assembly 347900?

The MCDONNELL & MILLER Bellows Assembly has manufacturer part number 347900 and is compatible with manufacturer part number 150. It is classified as a bellows assembly product type, designed for use in HVACR pumps, valves, and tubing systems as a replacement component.

Where to buy the MCDONNELL & MILLER Bellows Assembly 347900 worldwide?

3G Electric supplies the MCDONNELL & MILLER Bellows Assembly 347900 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this replacement HVACR component.

How to install the MCDONNELL & MILLER Bellows Assembly 347900?

To install the MCDONNELL & MILLER Bellows Assembly 347900, first isolate the system and relieve pressure. Remove the old bellows assembly, clean mating surfaces, and install the new unit with proper gaskets. Torque fasteners to manufacturer specifications and test for leaks before returning the system to service.

Used in

Common applications for MCDONNELL
Steam boiler low-water cutoff — McDonnell & Miller 61 level control
Condensate receiver level monitoring — McDonnell & Miller RS-4-BR-1 4-level sensor
HVACR pump suction filtration — McDonnell & Miller 340700 strainer basket assembly
Flow switch head replacement — McDonnell & Miller 63-HD head mechanism
Boiler control circuit safety — McDonnell & Miller 7-BM electrical switch with manual reset
Field servicing of flow switches — McDonnell & Miller 310452 cartridge kit

MCDONNELL Products

3G Electric supplies MCDONNELL replacement hvacr pumps, valves & tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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