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WATTS 115-3 FL Automatic Control Pressure Regulator - Automatic Control Pressure Regulators
WattsAutomatic Control Pressure Regulators

WATTS 115-3 FL Automatic Control Pressure Regulator

The WATTS Pressure Reducing Control Valve (MPN 115-3 FL) 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-449753

Also listed as: 1153FL · 115 3 FL · 115-3-FL

Brand
Watts
Item
115-3 FL Automatic Control Pressure Regulator
Part Number
115-3 FL
Category
Automatic Control Pressure Regulators
Available to Order
Also known as:115-3 FLWatts
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Technical Specifications

Watts
Manufacturer Part Number
115-3 FL
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 FL) 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 FL pressure reducing control valve used for?

The WATTS 115-3 FL is an automatic control pressure regulator used to reduce and stabilize downstream water pressure in commercial and industrial piping systems. It protects equipment and piping from excessive pressure, ensuring consistent flow in applications such as irrigation, HVAC, and municipal water distribution.

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

The WATTS 115-3 FL has a 3-inch nominal pipe size with flanged connections. Its ductile iron body handles a pressure reducing range of 20 psi to 175 psi. The manufacturer part number is 115-3 FL. It is designed for automatic control of pressure in water systems.

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

3G Electric supplies the WATTS 115-3 FL pressure reducing control valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time. We source genuine WATTS components for industrial applications globally.

How to install a WATTS pressure reducing control valve?

Install the WATTS 115-3 FL valve in a horizontal pipe run with the arrow on the body matching flow direction. Install a strainer upstream and isolation valves on both sides. 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
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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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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