Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Watts Temperature and Pressure Relief Valve: Section XIII ASME Section - ASME Section XIII Temperature & Pressure Relief Valves
WattsASME Section XIII Temperature & Pressure Relief Valves

Watts Temperature and Pressure Relief Valve: Section XIII ASME Section

The WATTS Temperature and Pressure Relief Valve is an ASME Section XIII valve (SKU 810MZ1, MPN 1 LF140X-9-150/210 FS) with a Copper Silicon Alloy body and FNPTF x FNPTF connections. It is designed for temperature and…

SKU 3G-OTH-430647

Brand
Watts
Item
Temperature and Pressure Relief Valve: Section XIII ASME Section
Category
ASME Section XIII Temperature & Pressure Relief Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

Watts
Manufacturer Part Number
1 LF140X-9-150/210 FS
Type
FNPTF x FNPTF
Body Material
Copper Silicon Alloy
View Full Spec Sheet

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 Temperature and Pressure Relief Valve is an ASME Section XIII valve (SKU 810MZ1, MPN 1 LF140X-9-150/210 FS) with a Copper Silicon Alloy body and FNPTF x FNPTF connections. It is designed for temperature and pressure relief applications in accordance with ASME Section XIII standards.

Frequently Asked Questions

What is a WATTS temperature and pressure relief valve used for?

A WATTS temperature and pressure relief valve protects water heaters and boilers from overpressure and overtemperature conditions. It automatically opens to discharge water when pressure or temperature exceeds safe limits, preventing catastrophic failure. This ASME Section XIII valve is suitable for commercial and industrial hot water systems.

What are the specifications of the WATTS 1 LF140X-9-150/210 FS valve?

The WATTS 1 LF140X-9-150/210 FS is an ASME Section XIII temperature and pressure relief valve with a Copper Silicon Alloy body. It features FNPTF x FNPTF connections and is manufactured by WATTS. The valve is designed for reliable overpressure and overtemperature protection in industrial fluid systems.

Where to buy WATTS temperature and pressure relief valves worldwide?

3G Electric supplies WATTS temperature and pressure relief valves to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source the WATTS 1 LF140X-9-150/210 FS or other ASME Section XIII valves for your application.

How to install a WATTS ASME Section XIII relief valve?

Install the WATTS relief valve in the designated tapping on the water heater or boiler, ensuring the sensing element extends into the tank. Use thread sealant on the FNPTF connections and orient the discharge piping downward to a safe drain. Follow local codes and the manufacturer's instructions for proper operation.

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 asme section xiii temperature & pressure relief valves. 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

Similar products

Matched by specification & description
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF (MPN 1 LF140S-3-150/210 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF (MPN 1 LF140S-3-150/210 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF (MPN 1-1/2 LF340-3-150/210FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF (MPN 1-1/2 LF340-3-150/210FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF (MPN 1-1/2 LF340X-8 150 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF (MPN 1-1/2 LF340X-8 150 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF (MPN 1 LFN240X-9-150/210 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF (MPN 1 LFN240X-9-150/210 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF (MPN 1 LFN240X-6-150/210 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF (MPN 1 LFN240X-6-150/210 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, MNPTF x FNPTF (MPN 2 LF342X-8-150/210 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, MNPTF x FNPTF (MPN 2 LF342X-8-150/210 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.

More from Watts

View all Watts parts
WATTS Pressure Safety Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, Copper Silicon Alloy (MPN 0121602). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Pressure Safety Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, Copper Silicon Alloy (MPN 0121602). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, Bronze (MPN 1 N240X-6-125/210 FS). Key specifications — Brand: WATTS; Body Material: Bronze.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, Bronze (MPN 1 N240X-6-125/210 FS). Key specifications — Brand: WATTS; Body Material: Bronze.
WATTS Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, 1 in x 1 in Connection Size (MPN F121508). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, 1 in x 1 in Connection Size (MPN F121508). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, Bronze (MPN 1 140X-6-150/210 FS). Key specifications — Brand: WATTS; Body Material: Bronze.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, Bronze (MPN 1 140X-6-150/210 FS). Key specifications — Brand: WATTS; Body Material: Bronze.
WATTS Pressure Safety Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, Copper Silicon Alloy (MPN 0121604). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Pressure Safety Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, Copper Silicon Alloy (MPN 0121604). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, MNPTF x FNPTF, Bronze (MPN 3/4 40XL-5-150/210 FS). Key specifications — Brand: WATTS; Body Material: Bronze.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, MNPTF x FNPTF, Bronze (MPN 3/4 40XL-5-150/210 FS). Key specifications — Brand: WATTS; Body Material: Bronze.
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, MNPTF x FNPTF (MPN 1 LF40XL-4-125/210 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, MNPTF x FNPTF (MPN 1 LF40XL-4-125/210 FS). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPT x FNPT, Bronze (MPN F278030). Key specifications — Brand: WATTS; Body Material: Bronze.
Watts
WATTS Temperature and Pressure Relief Valve: Section XIII ASME Section, FNPT x FNPT, Bronze (MPN F278030). Key specifications — Brand: WATTS; Body Material: Bronze.