We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
Mcdonnell & Miller Series TC-4 Test-N-Check Valves

Mcdonnell & Miller Series TC-4 Test-N-Check Valves

McDonnell & Miller Valves.

SKU 3G-OTH-02765

Also listed as: TC4 · TC 4

Brand
Mcdonnell & Miller
Item
Series TC-4 Test-N-Check Valves
Part Number
TC-4
Category
Valves
UNSPSC
40141609 — Control valves
Available to Order
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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 Valves.

Frequently Asked Questions

What is the McDonnell & Miller 3G-OTH-02765 used for?

The McDonnell & Miller 3G-OTH-02765 is used on hot water boilers to simplify ASME CSD-1A code mandated testing of low water cut-offs. It eliminates the need to drain the system during testing, saving time and reducing maintenance effort for plant engineers and boiler operators.

What are the specifications of the McDonnell & Miller 3G-OTH-02765?

The McDonnell & Miller 3G-OTH-02765 is a valve designed for hot water boiler low water cut-off testing. It complies with ASME CSD-1A requirements and includes one upper connection. For detailed technical specifications, consult the manufacturer's datasheet or contact 3G Electric for assistance.

Where to buy the McDonnell & Miller 3G-OTH-02765 in Singapore?

You can source the McDonnell & Miller 3G-OTH-02765 through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this valve, as we provide reliable sourcing for industrial boiler components.

How to install the McDonnell & Miller 3G-OTH-02765 on a hot water boiler?

Install the McDonnell & Miller 3G-OTH-02765 according to the manufacturer's instructions and local boiler codes. Typically, mount the valve on the boiler's low water cut-off test port, ensuring proper sealing. Always isolate the boiler and follow safety procedures before installation. Consult a qualified technician for compliance.

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
Not sure this is the right part? Photo-identify it

Mcdonnell & Miller Products

3G Electric supplies Mcdonnell & Miller valves. 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

More from McDonnell & Miller

View all McDonnell & Miller parts
For McDonnell Miller Series 47, 67 and 70B boiler control blow down valve replacement Full-ported ball action valve PTFE seats provide bind free, leak
McDonnell & Miller
For McDonnell Miller Series 47, 67 and 70B boiler control blow down valve replacement Full-ported ball action valve PTFE seats provide bind free, leak

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first