WattsStandard Capacity Water Pressure Regulators

Watts Pressure Regulator: FNPT x FNPT, 3/8 in Pipe Size, Stainless Steel

SKU 3G-OTH-439457

Brand

Watts

Item

Pressure Regulator: FNPT x FNPT, 3/8 in Pipe Size, Stainless Steel

Technical Specifications

Watts

Manufacturer Part Number

3/8 SS 263A 100 300 

Type

Stainless Steel, 100 psi to 300 psi 

Pipe Size

3/8 in 

View Full Spec Sheet

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

Watts Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Standard Capacity Water Pressure Regulator (FNPT x FNPT) is a stainless steel regulator with a 3/8 in pipe size, adjustable from 100 psi to 300 psi. 3G Electric interprets your demand for this OEM-specified part and delivers it with specialist support across 14 industrial departments, anchored by deep expertise in combustion, pumps and controls.

Frequently Asked Questions

What is the Watts 3/8 SS 263A 100 300 pressure regulator used for?

The Watts 3/8 SS 263A 100 300 is a standard capacity water pressure regulator used to reduce and stabilize incoming water pressure in commercial and industrial plumbing systems. It protects downstream equipment from pressure surges and is suitable for applications requiring a stainless steel body for corrosion resistance.

What are the specifications of the Watts 3/8 SS 263A 100 300 pressure regulator?

This Watts pressure regulator has a 3/8 inch FNPT x FNPT connection, a stainless steel body, and an adjustable pressure range of 100 psi to 300 psi. The manufacturer part number is 3/8 SS 263A 100 300. It is designed for standard capacity water pressure regulation in industrial piping systems.

Where to buy the Watts 3/8 SS 263A 100 300 pressure regulator worldwide?

You can source the Watts 3/8 SS 263A 100 300 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 Watts regulator.

How to install the Watts 3/8 SS 263A 100 300 pressure regulator?

Install the Watts pressure regulator in the pipeline with the arrow on the body indicating flow direction. Use thread sealant on the FNPT connections and ensure the regulator is accessible for adjustment. Set the outlet pressure within the 100 to 300 psi range using the adjustment screw, then check for leaks before full operation.

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.

Browse all Watts products →Contact our engineers →