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Watts Pressure Regulator: FNPT x FNPT, 3/8 in Pipe Size, Brass, 1 psi to 25 psi - Standard Capacity Water Pressure Regulators
WattsStandard Capacity Water Pressure Regulators

Watts Pressure Regulator: FNPT x FNPT, 3/8 in Pipe Size, Brass, 1 psi to 25 psi

The WATTS Standard Capacity Water Pressure Regulator (FNPT x FNPT, MPN 3/8 LF 263A-A 1-25 PSI) is a brass-bodied regulator with a 3/8 in pipe size, adjustable from 1 psi to 25 psi, and a maximum operating temperature…

SKU 3G-OTH-439512

Also listed as: 38LF263AA125PSI · 3 8 LF 263A A 1 25 PSI · 3-8-LF-263A-A-1-25-PSI

Brand
Watts
Item
Pressure Regulator: FNPT x FNPT, 3/8 in Pipe Size, Brass, 1 psi to 25 psi
Category
Standard Capacity Water Pressure Regulators
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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 Specifications

Watts
Manufacturer Part Number
3/8 LF 263A-A 1-25 PSI
Type
Brass, 1 psi to 25 psi
Pipe Size
3/8 in
Max. Op Temp
140°F
Low-Lead Compliance
Low-Lead Compliant

Technical Documents

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

Product Description

The WATTS Standard Capacity Water Pressure Regulator (FNPT x FNPT, MPN 3/8 LF 263A-A 1-25 PSI) is a brass-bodied regulator with a 3/8 in pipe size, adjustable from 1 psi to 25 psi, and a maximum operating temperature of 140°F. It is low-lead compliant.

Frequently Asked Questions

What is the WATTS 3/8 LF 263A-A pressure regulator used for?

The WATTS 3/8 LF 263A-A is a standard capacity water pressure regulator used to reduce and stabilize incoming water pressure in residential and commercial plumbing systems. It protects downstream fixtures and piping from pressure surges, ensuring consistent flow. Its low-lead brass body makes it suitable for potable water applications.

What are the specifications of the WATTS 3/8 LF 263A-A pressure regulator?

This WATTS regulator has a 3/8 in FNPT x FNPT pipe size, a brass body, and an adjustable outlet pressure range of 1 psi to 25 psi. Its maximum operating temperature is 140°F. It is low-lead compliant, making it suitable for drinking water systems. The manufacturer part number is 3/8 LF 263A-A 1-25 PSI.

Where to buy the WATTS 3/8 LF 263A-A pressure regulator worldwide?

You can source the WATTS 3/8 LF 263A-A pressure regulator 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; we supply genuine WATTS components for international procurement needs.

How to install the WATTS 3/8 LF 263A-A pressure regulator?

Install the WATTS regulator in the main water line with the arrow on the body pointing in the flow direction. Use thread sealant on the FNPT connections and avoid overtightening. Adjust the outlet pressure by turning the adjustment screw while monitoring a downstream gauge. 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Pressure Regulator: FNPT x FNPT, 1/2 in Pipe Size, Brass, 1 psi to 25 psi, 140°F Max. Op Temp (MPN 1/2 LF 263A-A 1-25 PSI)
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WATTS Pressure Regulator: FNPT x FNPT, 1/2 in Pipe Size, Brass, 1 psi to 25 psi, 140°F Max. Op Temp (MPN 1/2 LF 263A-A 1-25 PSI)
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WATTS Pressure Regulator: FNPT x FNPT, 1/2 in Pipe Size, Brass, 3 psi to 50 psi, 140°F Max. Op Temp (MPN 1/2 LF 263AB)
WATTS Pressure Regulator: FNPT x FNPT, 1/2 in Pipe Size, Brass, 1 psi to 25 psi, 140°F Max. Op Temp (MPN 1/2 LF 26AA)
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WATTS Pressure Regulator: FNPT x FNPT, 1/2 in Pipe Size, Brass, 1 psi to 25 psi, 140°F Max. Op Temp (MPN 1/2 LF 26AA)
WATTS Pressure Regulator: FNPT x FNPT, 1/2 in Pipe Size, Brass, 3 psi to 50 psi, 140°F Max. Op Temp (MPN 1/2 LF 26AB)
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WATTS Pressure Regulator: FNPT x FNPT, 1/2 in Pipe Size, Brass, 3 psi to 50 psi, 140°F Max. Op Temp (MPN 1/2 LF 26AB)

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