Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
WATTS REGULATOR 3/4 LFN45BM1-PRESS Standard Capacity Water Pressure Regulator - Standard Capacity Water Pressure Regulators
WATTS REGULATORStandard Capacity Water Pressure Regulators

WATTS REGULATOR 3/4 LFN45BM1-PRESS Standard Capacity Water Pressure Regulator

The WATTS REGULATOR Water Pressure Reducing Valve is a Standard Capacity Water Pressure Regulator with Press x Press connections. This model, MPN 3/4 LFN45BM1-PRESS, has a 3/4 in pipe size and an adjustable pressure…

SKU 3G-OTH-439404

Also listed as: 34LFN45BM1PRESS · 3 4 LFN45BM1 PRESS · 3-4-LFN45BM1-PRESS

Brand
WATTS REGULATOR
Item
3/4 LFN45BM1-PRESS Standard Capacity Water Pressure Regulator
Part Number
3/4 LFN45BM1-PRESS
Category
Standard Capacity Water Pressure Regulators
Available to Order
Also known as:3/4 LFN45BM1-PRESSWATTS REGULATOR
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 — 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

WATTS REGULATOR
Manufacturer Part Number
3/4 LFN45BM1-PRESS
Type
25 psi to 75 psi
Pipe Size
3/4 in
Low-Lead Compliance
Low-Lead Compliant

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

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

Product Description

The WATTS REGULATOR Water Pressure Reducing Valve is a Standard Capacity Water Pressure Regulator with Press x Press connections. This model, MPN 3/4 LFN45BM1-PRESS, has a 3/4 in pipe size and an adjustable pressure range of 25 psi to 75 psi. It is Low-Lead Compliant.

Frequently Asked Questions

What is a Watts Regulator water pressure reducing valve used for?

A Watts Regulator water pressure reducing valve protects plumbing systems by lowering incoming high water pressure to a safe, adjustable range. It is commonly used in commercial and residential buildings to prevent pipe damage, reduce water hammer, and extend fixture life.

What are the specifications of the Watts Regulator 3/4 LFN45BM1-PRESS?

The Watts Regulator 3/4 LFN45BM1-PRESS is a standard capacity water pressure reducing valve with 3/4 in pipe size and Press x Press connections. It adjusts from 25 psi to 75 psi and is low-lead compliant, suitable for potable water systems.

Where to buy a Watts Regulator water pressure reducing valve worldwide?

3G Electric supplies the Watts Regulator water pressure reducing valve worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this model.

How to install a Watts Regulator water pressure reducing valve?

Install the Watts Regulator valve in the main water line after the shut-off valve, with the arrow on the body pointing in the flow direction. Use approved thread sealant on Press connections, and adjust the pressure setting using the adjustment screw while monitoring downstream pressure.

Used in

Common applications for WATTS REGULATOR
Residential plumbing — LFN45BM1-PRESS pressure regulator reduces incoming municipal water pressure to protect fixtures and appliances.
Commercial buildings — LFN55BM1-U pressure regulator with NPT connections manages water pressure in multi-story distribution systems.
Potable water systems — LFN55BM1-DU-PEX pressure regulator with copper silicon alloy body and PEX connections for low-lead compliance.
Point-of-use temperature control — LFMMVM1-UT-PRESS thermostatic mixing valve blends hot and cold water at lavatories and sinks.
Industrial process water — 1156F-PRESS iron body pressure regulator with Press connections for non-potable water lines.
Retrofit and maintenance — LFN45BM1-PRESS in 1/2-inch size replaces failed pressure regulators in existing Press piping systems.
Not sure this is the right part? Photo-identify it→

WATTS REGULATOR Products

3G Electric supplies WATTS REGULATOR standard capacity water pressure regulators. 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 WATTS REGULATOR

View all WATTS REGULATOR parts →
This standard capacity water pressure regulator reduces and stabilizes incoming water pressure to protect plumbing systems and fixtures. Constructed from copper silicon alloy, it is low-lead compliant for use in potable water applications. Suitable for commercial and residential water supply lines
WATTS REGULATOR
This standard capacity water pressure regulator reduces and stabilizes incoming water pressure to protect plumbing systems and fixtures. Constructed from copper silicon alloy, it is low-lead compliant for use in potable water applications. Suitable for commercial and residential water supply lines

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first