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Watts Pressure Regulator: FNPT x FNPT, 1/2 in Pipe Size, Brass, 3 psi to 50 psi - Standard Capacity Water Pressure Regulators
WattsStandard Capacity Water Pressure Regulators

Watts Pressure Regulator: FNPT x FNPT, 1/2 in Pipe Size, Brass, 3 psi to 50 psi

The WATTS Standard Capacity Water Pressure Regulator (MPN 1/2 LF 263AB) is a low-lead compliant brass regulator with FNPT x FNPT connections in a 1/2 in pipe size. It operates within a pressure range of 3 psi to 50…

SKU 3G-OTH-439369

Also listed as: 12LF263AB · 1 2 LF 263AB · 1-2-LF-263AB

Brand
Watts
Item
Pressure Regulator: FNPT x FNPT, 1/2 in Pipe Size, Brass, 3 psi to 50 psi
Category
Standard Capacity Water Pressure Regulators
Available to Order
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Technical specs
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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 Specifications

Watts
Manufacturer Part Number
1/2 LF 263AB
Type
Brass, 3 psi to 50 psi
Pipe Size
1/2 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 (MPN 1/2 LF 263AB) is a low-lead compliant brass regulator with FNPT x FNPT connections in a 1/2 in pipe size. It operates within a pressure range of 3 psi to 50 psi and a maximum operating temperature of 140°F.

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 WATTS 1/2 LF 263AB pressure regulator used for?

The WATTS 1/2 LF 263AB is a standard capacity water pressure regulator used in residential and commercial plumbing systems to reduce and stabilize incoming water pressure. It protects downstream fixtures and piping from damage caused by high or fluctuating pressure, ensuring consistent flow and extending equipment life.

What are the specifications of the WATTS 1/2 LF 263AB pressure regulator?

The WATTS 1/2 LF 263AB is a low-lead compliant brass regulator with FNPT x FNPT connections and a 1/2 in pipe size. It operates from 3 psi to 50 psi with a maximum operating temperature of 140°F. The manufacturer part number is 1/2 LF 263AB.

Where to buy the WATTS 1/2 LF 263AB pressure regulator worldwide?

You can source the WATTS 1/2 LF 263AB 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 on this low-lead compliant brass regulator.

How to install the WATTS 1/2 LF 263AB pressure regulator?

Install the WATTS 1/2 LF 263AB regulator in the main water line after the shut-off valve, with the arrow on the body pointing in the direction of flow. Use thread sealant on the FNPT connections and ensure the pressure setting is adjusted to your system's requirement using the adjustment screw. Always follow local plumbing codes.

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, 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, 1 psi to 25 psi, 140°F Max. Op Temp (MPN 1/2 LF 263A-A 1-25 PSI)
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, 3/8 in Pipe Size, Brass, 3 psi to 50 psi, 140°F Max. Op Temp (MPN 3/8 LF 263 A-B)
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WATTS Pressure Regulator: FNPT x FNPT, 3/8 in Pipe Size, Brass, 3 psi to 50 psi, 140°F Max. Op Temp (MPN 3/8 LF 263 A-B)

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