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WattsASME Section XIII Temperature & Pressure Relief Valves

Watts Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF

The WATTS Pressure Relief Valve: Section XIII ASME Section is an ASME Section XIII temperature and pressure relief valve with a Copper Silicon Alloy body. It features FNPTF x FNPTF connections in a 1 in x 1 in size…

SKU 3G-OTH-430664

Brand
Watts
Item
Pressure Relief Valve: Section XIII ASME Section, FNPTF x FNPTF
Category
ASME Section XIII Temperature & Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
F121451
Type
FNPTF x FNPTF
Body Material
Copper Silicon Alloy
Connection Size
1 in x 1 in
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Relief Valve: Section XIII ASME Section is an ASME Section XIII temperature and pressure relief valve with a Copper Silicon Alloy body. It features FNPTF x FNPTF connections in a 1 in x 1 in size, identified by manufacturer part number F121451.

Frequently Asked Questions

What is the WATTS F121451 pressure relief valve used for?

The WATTS F121451 is an ASME Section XIII temperature and pressure relief valve designed to protect water heaters and boilers from overpressure and overtemperature. Its copper silicon alloy body resists corrosion in potable water and hydronic systems, making it suitable for commercial and industrial heating applications.

What are the specifications of the WATTS F121451 valve?

The WATTS F121451 has a copper silicon alloy body with FNPTF x FNPTF connections sized 1 in x 1 in. It is certified to ASME Section XIII standards. The manufacturer part number is F121451. This valve is designed for temperature and pressure relief in closed-loop heating systems.

Where to buy the WATTS F121451 pressure relief valve worldwide?

3G Electric supplies the WATTS F121451 pressure relief valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial sourcing partner, we provide genuine WATTS valves with reliable lead times. Contact us for a quote and shipping details.

How to install the WATTS F121451 temperature and pressure relief valve?

Install the WATTS F121451 valve in the designated tapping of the water heater or boiler, ensuring the discharge pipe is directed safely away from personnel. Use thread sealant on the FNPTF connections and tighten to manufacturer torque specs. Never install a shutoff valve between the relief valve and the system.

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.

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