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Watts Water Pressure Reducing Valve: NPT x NPT, 1 1/4 in Pipe Size, Copper Silicon Alloy - Standard Capacity Water Pressure Regulators
WattsStandard Capacity Water Pressure Regulators

Watts Water Pressure Reducing Valve: NPT x NPT, 1 1/4 in Pipe Size, Copper Silicon Alloy

The WATTS Water Pressure Reducing Valve is a standard capacity water pressure regulator with NPT x NPT connections. It is constructed from copper silicon alloy and has a 1 1/4 in pipe size. This model (MPN 1-1/4…

SKU 3G-OTH-439583

Brand
Watts
Item
Water Pressure Reducing Valve: NPT x NPT, 1 1/4 in Pipe Size, Copper Silicon Alloy
Category
Standard Capacity Water Pressure Regulators
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Technical Specifications

Watts
Manufacturer Part Number
1-1/4 LFU5B-Z3-LP
Type
Copper Silicon Alloy, NPT x NPT
Pipe Size
1 1/4 in
Low-Lead Compliance
Low-Lead Compliant
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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. It is constructed from copper silicon alloy and has a 1 1/4 in pipe size. This model (MPN 1-1/4 LFU5B-Z3-LP) is low-lead compliant.

Frequently Asked Questions

What is the WATTS 1-1/4 LFU5B-Z3-LP water pressure reducing valve used for?

This WATTS valve reduces incoming water pressure to a safe, consistent level for commercial or residential plumbing systems. It is low-lead compliant and made from copper silicon alloy, making it suitable for potable water applications where pressure regulation is critical.

What are the specifications of the WATTS LFU5B-Z3-LP pressure reducing valve?

The WATTS LFU5B-Z3-LP is a standard capacity water pressure regulator with a 1 1/4 in pipe size and NPT x NPT connections. It is constructed from copper silicon alloy and is low-lead compliant. The manufacturer part number is 1-1/4 LFU5B-Z3-LP.

Where to buy the WATTS 1-1/4 LFU5B-Z3-LP pressure reducing valve worldwide?

3G Electric supplies the WATTS 1-1/4 LFU5B-Z3-LP pressure reducing valve worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this low-lead compliant copper silicon alloy regulator.

How to install a WATTS water pressure reducing valve?

Install the WATTS valve in the main water line after the shutoff valve, with the arrow on the body pointing in the direction of flow. Use thread sealant on NPT connections and ensure the valve is accessible for adjustment. Always follow local plumbing codes and the manufacturer's instructions.

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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