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

Mcdonnell & Miller Pressure Relief Valves - Relief Reducing Valves
Mcdonnell & MillerRelief Reducing Valves

Mcdonnell & Miller Pressure Relief Valves

Note: listed by manufacturer as obsolete/discontinued.

SKU 3G-OTH-02717

Also listed as: MM143381 · MM 143381

Brand
Mcdonnell & Miller
Item
Pressure Relief Valves
Category
Relief Reducing Valves
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Documents

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

Product Description

Note: listed by manufacturer as obsolete/discontinued.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the McDonnell & Miller relief reducing valve used for?

This McDonnell & Miller relief reducing valve is used in tanks and hydronic heating systems to protect against over-pressure and minimize hammering caused by flash steam. It is designed for low differential pressure applications at 3 psi.

What are the specifications of the McDonnell & Miller relief reducing valve?

The McDonnell & Miller relief reducing valve features a low differential pressure of 3 psi. It is designed for use in hydronic heating systems and tanks to protect against over-pressure and reduce hammering from flash steam. Note: the manufacturer lists this model as obsolete/discontinued.

Where to buy McDonnell & Miller relief reducing valves in Singapore?

You can source McDonnell & Miller relief reducing valves through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this model, which the manufacturer lists as obsolete/discontinued.

How to select a replacement for an obsolete McDonnell & Miller relief reducing valve?

When selecting a replacement for an obsolete McDonnell & Miller relief reducing valve, verify the required differential pressure (3 psi) and connection size. Consult a hydronic system specialist to identify a compatible current model. 3G Electric can help source suitable alternatives for your Singapore application.

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 relief reducing valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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