We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
Watts 115-1-1/2 TH Automatic Control Pressure Regulator - Automatic Control Pressure Regulators
WattsAutomatic Control Pressure Regulators

Watts 115-1-1/2 TH Automatic Control Pressure Regulator

The WATTS Pressure Reducing Control Valve (MPN 115-1-1/2 TH) is an automatic control pressure regulator with a 1 1/2 in nominal pipe size and NPT connections. It features a ductile iron body and is designed to reduce…

SKU 3G-OTH-449769

Also listed as: 115112TH · 115 1 1 2 TH · 115-1-1-2-TH

Brand
Watts
Item
115-1-1/2 TH Automatic Control Pressure Regulator
Part Number
115-1-1/2 TH
Category
Automatic Control Pressure Regulators
Available to Order
Also known as:115-1-1/2 THWatts
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
115-1-1/2 TH
Type
NPT, 34.7 psi to 214.7 psi
Body Material
Ductile Iron

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 Pressure Reducing Control Valve (MPN 115-1-1/2 TH) is an automatic control pressure regulator with a 1 1/2 in nominal pipe size and NPT connections. It features a ductile iron body and is designed to reduce pressure within a range of 34.7 psi to 214.7 psi.

Frequently Asked Questions

What is the WATTS Pressure Reducing Control Valve used for?

The WATTS Pressure Reducing Control Valve (MPN 115-1-1/2 TH) is used to automatically reduce and stabilize downstream water or fluid pressure in industrial piping systems. It is commonly applied in commercial buildings, irrigation networks, and process plants to protect equipment from overpressure and ensure consistent flow.

What are the specifications of the WATTS 115-1-1/2 TH?

The WATTS 115-1-1/2 TH is an automatic control pressure regulator with a 1 1/2 in nominal pipe size and NPT connections. It has a ductile iron body and a pressure-reducing range of 34.7 psi to 214.7 psi. The manufacturer part number is 115-1-1/2 TH, and it is designed for reliable pressure regulation in industrial applications.

Where to buy the WATTS 115-1-1/2 TH worldwide?

You can source the WATTS 115-1-1/2 TH pressure reducing control valve 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 industrial systems.

How to install a WATTS pressure reducing control valve?

Install the WATTS 115-1-1/2 TH valve in a horizontal or vertical pipe run with flow direction matching the arrow on the body. Use thread sealant on NPT connections and install a shut-off valve upstream and downstream for maintenance. Always reference the manufacturer's manual for torque specs and pressure settings.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from Watts

View all Watts parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first