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Watts Pressure Regulator: FNPT x FNPT, 1/2 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, 1/2 in Pipe Size, Brass, 1 psi to 25 psi

The WATTS Pressure Regulator (MPN 1/2 LF 26AA) is a standard capacity water pressure regulator with FNPT x FNPT connections in a 1/2 in pipe size, constructed of brass. It operates within a 1 psi to 25 psi pressure…

SKU 3G-OTH-439562

Also listed as: 12LF26AA · 1 2 LF 26AA · 1-2-LF-26AA

Brand
Watts
Item
Pressure Regulator: FNPT x FNPT, 1/2 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
1/2 LF 26AA
Type
Brass, 1 psi to 25 psi
Pipe Size
1/2 in
Max. Op Temp
140°F
Low-Lead Compliance
Low-Lead Compliant

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

Product Description

The WATTS Pressure Regulator (MPN 1/2 LF 26AA) is a standard capacity water pressure regulator with FNPT x FNPT connections in a 1/2 in pipe size, constructed of brass. It operates within a 1 psi to 25 psi pressure range and a maximum operating temperature of 140°F, and is low-lead compliant.

Frequently Asked Questions

What is the WATTS 1/2 LF 26AA pressure regulator used for?

The WATTS 1/2 LF 26AA 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 within a 1 psi to 25 psi range.

What are the specifications of the WATTS 1/2 LF 26AA pressure regulator?

The WATTS 1/2 LF 26AA has FNPT x FNPT connections, a 1/2 in pipe size, brass construction, and a pressure range of 1 psi to 25 psi. Its maximum operating temperature is 140°F, and it is low-lead compliant. The manufacturer part number is 1/2 LF 26AA.

Where to buy the WATTS 1/2 LF 26AA pressure regulator worldwide?

3G Electric supplies the WATTS 1/2 LF 26AA pressure regulator worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this low-lead compliant brass regulator.

How to install the WATTS 1/2 LF 26AA pressure regulator?

Install the WATTS 1/2 LF 26AA in the main water line after the shut-off valve, with the arrow on the body pointing in the flow direction. Use thread sealant on the FNPT connections and tighten to manufacturer torque specs. Test for leaks and adjust the pressure setting using the adjustment screw.

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, 1/4 in Pipe Size, Brass, 1 psi to 25 psi, 140°F Max. Op Temp (MPN 1/4 LF 26AA)
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WATTS Pressure Regulator: FNPT x FNPT, 1/4 in Pipe Size, Brass, 1 psi to 25 psi, 140°F Max. Op Temp (MPN 1/4 LF 26AA)

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