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Watts Pressure Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size - ASME Section IV Temperature & Pressure Relief Valves
WattsASME Section IV Temperature & Pressure Relief Valves

Watts Pressure Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size

The WATTS Pressure Safety Relief Valve (SKU 162A16, MPN 0156734) is an ASME Section IV Temperature & Pressure Relief Valve with a 3/4 in MNPT x 3/4 in FNPT connection size. It features a bronze body material.

SKU 3G-OTH-437113

Brand
Watts
Item
Pressure Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size
Category
ASME Section IV Temperature & Pressure Relief Valves
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Technical Specifications

Watts
Manufacturer Part Number
0156734
Type
Bronze
Body Material
Bronze
Connection Size
3/4 in x 3/4 in
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Pressure Safety Relief Valve (SKU 162A16, MPN 0156734) is an ASME Section IV Temperature & Pressure Relief Valve with a 3/4 in MNPT x 3/4 in FNPT connection size. It features a bronze body material.

Frequently Asked Questions

What is the WATTS Pressure Safety Relief Valve used for?

The WATTS Pressure Safety Relief Valve is used to protect hot water heating boilers and storage tanks from overpressure. It automatically opens at a set pressure to discharge excess water or steam, preventing catastrophic failure. This ASME Section IV valve is commonly installed on residential and commercial hydronic heating systems.

What are the specifications of the WATTS Pressure Safety Relief Valve 0156734?

This WATTS valve has a bronze body, 3/4 in MNPT x 3/4 in FNPT connection size, and is ASME Section IV rated. The manufacturer part number is 0156734. It is designed for temperature and pressure relief applications on hot water boilers and storage tanks.

Where to buy the WATTS Pressure Safety Relief Valve worldwide?

You can source the WATTS Pressure Safety Relief Valve worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this bronze ASME Section IV valve.

How to install a WATTS Pressure Safety Relief Valve?

Install the WATTS valve in the boiler or tank tapping with the sensing element immersed in water or steam. Use pipe dope on the male threads, tighten to manufacturer torque specs, and route the discharge pipe to a safe drain. Never install a shutoff valve between the relief valve and the vessel. Test operation annually.

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 iv 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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