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Watts Pressure Reducing Control Valve: 3 in Nominal Pipe Size, Flanged - Automatic Control Pressure Regulators
WattsAutomatic Control Pressure Regulators

Watts Pressure Reducing Control Valve: 3 in Nominal Pipe Size, Flanged

The WATTS Pressure Reducing Control Valve (MPN 115-3 TH) is an automatic control pressure regulator with a 3-inch nominal pipe size and flanged connections. It features a ductile iron body and is designed to reduce…

SKU 3G-OTH-449752

Brand
Watts
Item
Pressure Reducing Control Valve: 3 in Nominal Pipe Size, Flanged
Category
Automatic Control Pressure Regulators
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Technical Specifications

Watts
Manufacturer Part Number
115-3 TH
Type
Flanged, 20 psi to 175 psi
Body Material
Ductile Iron
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Reducing Control Valve (MPN 115-3 TH) is an automatic control pressure regulator with a 3-inch nominal pipe size and flanged connections. It features a ductile iron body and is designed to reduce pressure within a range of 20 psi to 175 psi.

Frequently Asked Questions

What is the WATTS 115-3 TH pressure reducing control valve used for?

The WATTS 115-3 TH is an automatic control pressure regulator used to reduce and stabilize downstream water pressure in commercial and industrial piping systems. It is commonly applied in municipal water supply, irrigation, and process control where precise pressure regulation between 20 psi and 175 psi is required.

What are the specifications of the WATTS 115-3 TH valve?

The WATTS 115-3 TH has a 3-inch nominal pipe size with flanged connections. Its body is made of ductile iron, and it regulates pressure from 20 psi to 175 psi. The manufacturer part number is 115-3 TH, and it is classified as an automatic control pressure regulator.

Where to buy the WATTS 115-3 TH pressure reducing valve worldwide?

You can source the WATTS 115-3 TH 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 projects.

How to install a WATTS 115-3 TH pressure reducing valve?

Install the WATTS 115-3 TH in a horizontal pipe run with the arrow on the body matching flow direction. Ensure upstream isolation valves and a strainer are fitted. Adjust the set point by turning the adjustment screw while monitoring downstream pressure. 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 automatic control 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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