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Watts Pressure Reducing Control Valve: 1 1/4 in Nominal Pipe Size, NPT - Automatic Control Pressure Regulators
WattsAutomatic Control Pressure Regulators

Watts Pressure Reducing Control Valve: 1 1/4 in Nominal Pipe Size, NPT

The WATTS 115-1-1/4 TH is an automatic control pressure regulator with a 1 1/4 in nominal pipe size and NPT connections. Its ductile iron body is designed for pressure reduction within a 34.7 psi to 89.7 psi range.

SKU 3G-OTH-449736

Brand
Watts
Item
Pressure Reducing Control Valve: 1 1/4 in Nominal Pipe Size, NPT
Category
Automatic Control Pressure Regulators
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Technical Specifications

Watts
Manufacturer Part Number
115-1-1/4 TH
Type
NPT, 34.7 psi to 89.7 psi
Body Material
Ductile Iron
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS 115-1-1/4 TH is an automatic control pressure regulator with a 1 1/4 in nominal pipe size and NPT connections. Its ductile iron body is designed for pressure reduction within a 34.7 psi to 89.7 psi range.

Frequently Asked Questions

What is the WATTS 115-1-1/4 TH pressure reducing valve used for?

The WATTS 115-1-1/4 TH is an automatic control pressure regulator used to reduce and stabilize downstream water pressure in commercial and industrial piping systems. It protects equipment and fixtures from excessive pressure, ensuring consistent flow in applications such as irrigation, HVAC, and process water lines.

What are the specifications of the WATTS 115-1-1/4 TH?

The WATTS 115-1-1/4 TH has a 1 1/4 in nominal pipe size with NPT connections. Its ductile iron body handles a pressure reduction range of 34.7 psi to 89.7 psi. The manufacturer part number is 115-1-1/4 TH, and it is designed for automatic control pressure regulation.

Where to buy the WATTS 115-1-1/4 TH worldwide?

3G Electric supplies the WATTS 115-1-1/4 TH pressure reducing valve to customers 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 WATTS automatic control pressure regulator.

How to install the WATTS 115-1-1/4 TH pressure reducing valve?

Install the WATTS 115-1-1/4 TH in a horizontal or vertical position with the arrow on the body matching flow direction. Use thread sealant on NPT connections and install a shut-off valve upstream and downstream. Ensure the pressure adjustment range of 34.7 psi to 89.7 psi matches your system requirements.

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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