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WATTS 3/4 335M2-030 ASME Section IV Hot Water Pressure Relief Valve - ASME Section IV Hot Water Pressure Relief Valves
WattsASME Section IV Hot Water Pressure Relief Valves

WATTS 3/4 335M2-030 ASME Section IV Hot Water Pressure Relief Valve

The WATTS 3/4 335M2-030 is an ASME Section IV hot water pressure relief valve with 3/4 in x 3/4 in FNPT connections, constructed in bronze, and rated for a maximum operating pressure of 20 psi.

SKU 3G-OTH-429346

Also listed as: 34335M2030 · 3 4 335M2 030 · 3-4-335M2-030

Brand
Watts
Item
3/4 335M2-030 ASME Section IV Hot Water Pressure Relief Valve
Part Number
3/4 335M2-030
Category
ASME Section IV Hot Water Pressure Relief Valves
Available to Order
Also known as:3/4 335M2-030Watts
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Technical Specifications

Watts
Manufacturer Part Number
3/4 335M2-030
Type
3/4 in x 3/4 in, Bronze
Max. Op Pressure
20 psi

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS 3/4 335M2-030 is an ASME Section IV hot water pressure relief valve with 3/4 in x 3/4 in FNPT connections, constructed in bronze, and rated for a maximum operating pressure of 20 psi.

Frequently Asked Questions

What is the Watts 3/4 335M2-030 pressure relief valve used for?

The Watts 3/4 335M2-030 is an ASME Section IV hot water pressure relief valve used to protect water heaters and boilers from overpressure. It automatically opens at its set pressure to discharge excess water, preventing system damage. Typical applications include commercial and residential hydronic heating systems.

What are the specifications of the Watts 3/4 335M2-030 pressure relief valve?

This Watts valve has FNPT x FNPT connections, 3/4 in x 3/4 in size, and a bronze body. Its maximum operating pressure is 20 psi. It is ASME Section IV certified for hot water service. The manufacturer part number is 3/4 335M2-030.

Where to buy the Watts 3/4 335M2-030 pressure relief valve worldwide?

3G Electric supplies the Watts 3/4 335M2-030 pressure relief valve worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote for your region.

How to install a Watts 3/4 335M2-030 pressure relief valve?

Install the Watts 3/4 335M2-030 valve in the hot water outlet line of the heater or boiler, with the discharge pipe directed to a safe drain. Ensure the valve is upright and not subjected to freezing. Follow local codes and the manufacturer's instructions for proper sizing and piping.

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
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Watts Products

3G Electric supplies Watts asme section iv hot water 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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