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Watts 1 1/4 in Brass Water Pressure Regulator, 25-75 psi, Low-Lead - Standard Capacity Water Pressure Regulators
WattsStandard Capacity Water Pressure Regulators

Watts 1 1/4 in Brass Water Pressure Regulator, 25-75 psi, Low-Lead

The WATTS Water Pressure Reducing Valve is a standard capacity water pressure regulator with NPT x NPT connections. This brass valve, model 11/4 LF N55BU, is low-lead compliant and has a 1 1/4 in pipe size with an…

SKU 3G-OTH-439543

Also listed as: 114LFN55BU · 11 4 LF N55BU · 11-4-LF-N55BU

Brand
Watts
Item
1 1/4 in Brass Water Pressure Regulator, 25-75 psi, Low-Lead
Category
Standard Capacity Water Pressure Regulators
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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

Watts
Manufacturer Part Number
11/4 LF N55BU
Type
Brass, 25 psi to 75 psi
Pipe Size
1 1/4 in
Low-Lead Compliance
Low-Lead Compliant

Technical Documents

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

Product Description

The WATTS Water Pressure Reducing Valve is a standard capacity water pressure regulator with NPT x NPT connections. This brass valve, model 11/4 LF N55BU, is low-lead compliant and has a 1 1/4 in pipe size with an adjustable pressure range of 25 psi to 75 psi.

Frequently Asked Questions

What is the WATTS water pressure reducing valve used for?

The WATTS water pressure reducing valve is used to reduce and regulate incoming water pressure in commercial and residential plumbing systems. It protects downstream fixtures and piping from damage caused by excessive pressure, ensuring consistent flow and extending equipment life.

What are the specifications of the WATTS 11/4 LF N55BU valve?

The WATTS 11/4 LF N55BU is a standard capacity water pressure regulator with NPT x NPT connections. It has a 1 1/4 in pipe size, a brass body, and an adjustable pressure range of 25 psi to 75 psi. It is low-lead compliant for potable water applications.

Where to buy the WATTS water pressure reducing valve worldwide?

You can source the WATTS water pressure reducing valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this WATTS model.

How to install a WATTS water pressure reducing valve?

Install the WATTS valve in the main water line after the shut-off valve, with the arrow on the body pointing in the flow direction. Use pipe thread sealant on NPT connections and install a pressure gauge downstream to adjust the set point within the 25 psi to 75 psi range.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts standard capacity water pressure regulators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Water Pressure Reducing Valve: NPT x NPT, 2 in Pipe Size, Bronze, 25 psi to 75 psi, NPT x NPT (MPN 2 LF N55BU)
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WATTS Water Pressure Reducing Valve: NPT x NPT, 2 in Pipe Size, Bronze, 25 psi to 75 psi, NPT x NPT (MPN 2 LF N55BU)
Brass water pressure regulator with 1/2 inch NPT female connections. Adjustable outlet pressure range from 25 to 75 psi. Low-lead compliant for potable water systems. Used to reduce and stabilize incoming water pressure in plumbing systems
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Brass water pressure regulator with 1/2 inch NPT female connections. Adjustable outlet pressure range from 25 to 75 psi. Low-lead compliant for potable water systems. Used to reduce and stabilize incoming water pressure in plumbing systems
Brass-bodied water pressure regulator with 1 1/2 in NPT connections. Adjustable outlet pressure range of 25 psi to 75 psi. Low-lead compliant for potable water systems. Used to reduce and stabilize incoming water pressure in commercial and residential plumbing, protecting downstream equipment and piping
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Brass-bodied water pressure regulator with 1 1/2 in NPT connections. Adjustable outlet pressure range of 25 psi to 75 psi. Low-lead compliant for potable water systems. Used to reduce and stabilize incoming water pressure in commercial and residential plumbing, protecting downstream equipment and piping
WATTS Water Pressure Reducing Valve: NPT x NPT, 1/2 in Pipe Size, Brass, 25 psi to 75 psi, NPT x NPT (MPN 1/2 LF U5BZ3)
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WATTS Water Pressure Reducing Valve: NPT x NPT, 1/2 in Pipe Size, Brass, 25 psi to 75 psi, NPT x NPT (MPN 1/2 LF U5BZ3)
WATTS Water Pressure Reducing Valve: NPT x NPT, 1 1/4 in Pipe Size, Brass, 25 psi to 75 psi (MPN 11/4 LF 223)
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WATTS Water Pressure Reducing Valve: NPT x NPT, 1 1/4 in Pipe Size, Brass, 25 psi to 75 psi (MPN 11/4 LF 223)
WATTS Water Pressure Reducing Valve: NPT x NPT, 1 in Pipe Size, Brass, 25 psi to 75 psi, NPT x NPT (MPN 1 LF 223)
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WATTS Water Pressure Reducing Valve: NPT x NPT, 1 in Pipe Size, Brass, 25 psi to 75 psi, NPT x NPT (MPN 1 LF 223)

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