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 with a Copper Silicon Alloy body. It features FNPTF x FNPTF connections and is identified by manufacturer part number F121448.

SKU 3G-OTH-430656

Also listed as: F 121448 · F-121448

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 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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Watts
Manufacturer Part Number
F121448
Type
FNPTF x FNPTF
Body Material
Copper Silicon Alloy

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 with a Copper Silicon Alloy body. It features FNPTF x FNPTF connections and is identified by manufacturer part number F121448.

Frequently Asked Questions

What is the WATTS Temperature and Pressure Relief Valve used for?

This WATTS valve is used to protect water heaters and storage tanks from excessive temperature and pressure. It automatically opens to relieve pressure or temperature when safe limits are exceeded, preventing equipment damage. The Copper Silicon Alloy body resists corrosion in demanding industrial and commercial applications.

What are the specifications of the WATTS F121448 valve?

The WATTS F121448 is an ASME Section XIII Temperature and Pressure Relief Valve with a Copper Silicon Alloy body. It has FNPTF x FNPTF connections. The manufacturer part number is F121448. This valve is designed for reliable overpressure and overtemperature protection in water systems.

Where to buy the WATTS F121448 valve worldwide?

3G Electric supplies the WATTS F121448 Temperature and Pressure Relief Valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine WATTS valves and support procurement across 14 industrial departments.

How to install a WATTS temperature and pressure relief valve?

Install the WATTS valve in the designated tapping of the water heater or tank, ensuring the sensing element extends into the tank interior. Connect FNPTF piping to both inlet and outlet. Always follow local codes and the manufacturer's instructions. Test the valve after installation by lifting the lever briefly to confirm 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with MNPTF x FNPTF connections. It automatically opens to relieve excess pressure or temperature in systems such as boilers, water heaters, and pressure vessels, helping to prevent overpressure and overtemperature conditions
Watts
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with MNPTF x FNPTF connections. It automatically opens to relieve excess pressure or temperature in systems such as boilers, water heaters, and pressure vessels, helping to prevent overpressure and overtemperature conditions
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with FNPTF x FNPTF connections in a 1 in x 1 in size. It is used for overpressure protection in systems such as boilers, pressure vessels, and process equipment
Watts
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with FNPTF x FNPTF connections in a 1 in x 1 in size. It is used for overpressure protection in systems such as boilers, pressure vessels, and process equipment
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with FNPTF x FNPTF connections. It is designed to automatically relieve excess temperature or pressure in hot-water systems, protecting water heaters and storage tanks from overpressure conditions
Watts
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with FNPTF x FNPTF connections. It is designed to automatically relieve excess temperature or pressure in hot-water systems, protecting water heaters and storage tanks from overpressure conditions
Watts
Watts
WATTS Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, 1 in x 1 in Connection Size (MPN F121451)
WATTS Pressure Safety Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, Copper Silicon Alloy (MPN 0121604)
Watts
WATTS Pressure Safety Relief Valve: Section XIII ASME Section, FNPTF x FNPTF, Copper Silicon Alloy (MPN 0121604)
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with 1 in x 1 in FNPTF connections. It automatically opens at rated conditions to protect against excessive temperature or pressure in water heating and storage systems, boilers, tanks, and pressure vessels
Watts
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with 1 in x 1 in FNPTF connections. It automatically opens at rated conditions to protect against excessive temperature or pressure in water heating and storage systems, boilers, tanks, and pressure vessels

More from Watts

View all Watts parts
This bronze temperature and pressure relief valve is rated under ASME Section XIII. It features male NPT by female NPT connections. The valve automatically opens to relieve excess temperature or pressure, protecting water heaters and storage tanks in commercial and industrial hot water systems
Watts
This bronze temperature and pressure relief valve is rated under ASME Section XIII. It features male NPT by female NPT connections. The valve automatically opens to relieve excess temperature or pressure, protecting water heaters and storage tanks in commercial and industrial hot water systems
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body and MNPTF x FNPTF connections. It is designed to protect water heaters and storage tanks from excessive temperature or pressure by automatically discharging water when unsafe conditions occur
Watts
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body and MNPTF x FNPTF connections. It is designed to protect water heaters and storage tanks from excessive temperature or pressure by automatically discharging water when unsafe conditions occur
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with MNPTF x FNPTF connections. It is used to protect equipment from overpressure and overtemperature conditions in boiler and hot water storage applications
Watts
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with MNPTF x FNPTF connections. It is used to protect equipment from overpressure and overtemperature conditions in boiler and hot water storage applications
This ASME Section XIII temperature and pressure relief valve features a bronze body with MNPTF x FNPTF connections. It is designed to protect water heaters and storage tanks from excessive temperature or pressure by automatically opening when set limits are exceeded. The bronze construction provides corrosion resistance in potable water and hydronic systems
Watts
This ASME Section XIII temperature and pressure relief valve features a bronze body with MNPTF x FNPTF connections. It is designed to protect water heaters and storage tanks from excessive temperature or pressure by automatically opening when set limits are exceeded. The bronze construction provides corrosion resistance in potable water and hydronic systems
ASME Section XIII rated temperature and pressure relief valve with copper silicon alloy body and FNPTF x FNPTF connections. Automatically opens to relieve excess temperature or pressure, protecting water heaters and storage tanks in commercial and industrial hot-water systems
Watts
ASME Section XIII rated temperature and pressure relief valve with copper silicon alloy body and FNPTF x FNPTF connections. Automatically opens to relieve excess temperature or pressure, protecting water heaters and storage tanks in commercial and industrial hot-water systems
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with MNPTF x FNPTF connections. It automatically opens to relieve excess pressure or temperature in water heaters and storage tanks, protecting against equipment damage in hot-water systems
Watts
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with MNPTF x FNPTF connections. It automatically opens to relieve excess pressure or temperature in water heaters and storage tanks, protecting against equipment damage in hot-water systems
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body and FNPTF x FNPTF connections. It automatically relieves excess temperature or pressure in boilers, water heaters, and pressure vessels to prevent equipment damage
Watts
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body and FNPTF x FNPTF connections. It automatically relieves excess temperature or pressure in boilers, water heaters, and pressure vessels to prevent equipment damage
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with FNPTF x FNPTF connections. It is designed to protect hot-water storage tanks and heaters by automatically discharging water when temperature or pressure exceeds safe limits
Watts
This ASME Section XIII temperature and pressure relief valve features a copper silicon alloy body with FNPTF x FNPTF connections. It is designed to protect hot-water storage tanks and heaters by automatically discharging water when temperature or pressure exceeds safe limits