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Watts Pressure Reducing Valve: FNPT x FNPT, Iron, 160°F Max. Op Temp, 6 3/8 in Overall Ht - Standard Capacity Water Pressure Regulators
WattsStandard Capacity Water Pressure Regulators

Watts Pressure Reducing Valve: FNPT x FNPT, Iron, 160°F Max. Op Temp, 6 3/8 in Overall Ht

The WATTS Pressure Reducing Valve (MPN 0121243) is a standard capacity water pressure regulator with FNPT x FNPT connections. This iron-bodied valve features a 6 3/8 in overall height and a maximum operating…

SKU 3G-OTH-439468

Brand
Watts
Item
Pressure Reducing Valve: FNPT x FNPT, Iron, 160°F Max. Op Temp, 6 3/8 in Overall Ht
Category
Standard Capacity Water Pressure Regulators
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Technical Specifications

Watts
Manufacturer Part Number
0121243
Type
Iron, NPT x NPT
Overall Ht
6 3/8 in
Max. Op Temp
160°F
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Reducing Valve (MPN 0121243) is a standard capacity water pressure regulator with FNPT x FNPT connections. This iron-bodied valve features a 6 3/8 in overall height and a maximum operating temperature of 160°F.

Frequently Asked Questions

What is a Watts pressure reducing valve used for?

A Watts pressure reducing valve is used to reduce and stabilize incoming water pressure in commercial and industrial plumbing systems. It protects downstream equipment like boilers, piping, and fixtures from damage caused by excessive pressure, ensuring consistent flow and extending system life.

What are the specifications of the Watts pressure reducing valve MPN 0121243?

The Watts pressure reducing valve MPN 0121243 is an iron standard capacity water pressure regulator with FNPT x FNPT connections. It has a maximum operating temperature of 160°F, an overall height of 6 3/8 in, and uses NPT x NPT thread type. It is designed for reliable pressure control in water systems.

Where to buy Watts pressure reducing valves worldwide?

You can source Watts pressure reducing valves worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the Watts valve MPN 0121243 or other models.

How to install a Watts pressure reducing valve?

Install the Watts pressure reducing valve in a horizontal position with the arrow on the body pointing in the direction of flow. Use pipe thread sealant on NPT connections and ensure upstream isolation valves are closed. After installation, adjust the set screw to the desired outlet pressure while monitoring with a gauge.

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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