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Watts Automatic Temperature Gas Shutoff Valve: FNPT x FNPT - Non-Code Temperature & Pressure Relief Valves
WattsNon-Code Temperature & Pressure Relief Valves

Watts Automatic Temperature Gas Shutoff Valve: FNPT x FNPT

The WATTS Automatic Temperature Gas Shutoff Valve is a non-code temperature and pressure relief valve with FNPT x FNPT connections. This model (MPN LFLL210-5-M2) features a Copper Silicon Alloy body and 1/2 in x 1/2…

SKU 3G-OTH-432637

Also listed as: LFLL2105M2 · LFLL210 5 M2

Brand
Watts
Item
Automatic Temperature Gas Shutoff Valve: FNPT x FNPT
Category
Non-Code Temperature & Pressure Relief Valves
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
LFLL210-5-M2
Body Material
Copper Silicon Alloy
Connection Size
1/2 in x 1/2 in

Technical Documents

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Automatic Temperature Gas Shutoff Valve is a non-code temperature and pressure relief valve with FNPT x FNPT connections. This model (MPN LFLL210-5-M2) features a Copper Silicon Alloy body and 1/2 in x 1/2 in connection size.

Frequently Asked Questions

What is the WATTS Automatic Temperature Gas Shutoff Valve used for?

The WATTS Automatic Temperature Gas Shutoff Valve is a non-code temperature and pressure relief valve designed to shut off gas supply when water temperature exceeds a safe limit. It is used in water heating systems to prevent overheating and potential damage, providing a critical safety function in residential and commercial plumbing.

What are the specifications of the WATTS LFLL210-5-M2 valve?

The WATTS LFLL210-5-M2 valve has a Copper Silicon Alloy body with FNPT x FNPT connections sized at 1/2 in x 1/2 in. It is a non-code temperature and pressure relief valve, model LFLL210-5-M2, designed for automatic gas shutoff. These specs ensure compatibility with standard plumbing systems.

Where to buy the WATTS LFLL210-5-M2 valve worldwide?

3G Electric supplies the WATTS LFLL210-5-M2 valve worldwide, handling full logistics and customs clearance for international delivery. As a global industrial solutions provider, we source genuine WATTS parts and manage shipping to your location. Contact us for a quote and delivery options.

How to install the WATTS Automatic Temperature Gas Shutoff Valve?

Install the WATTS valve by connecting the FNPT ends to matching pipe threads using appropriate sealant. Ensure the valve is oriented per manufacturer guidelines for proper temperature sensing. Always follow local codes and consult a licensed professional for gas line installations to ensure safety and compliance.

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 non-code 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Pressure Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Brass, 175 psi Max. Op Pressure, 180°F (MPN 1/2 530-FP)
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WATTS Pressure Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Brass, 175 psi Max. Op Pressure, 180°F (MPN 1/2 530-FP)
WATTS Pressure Relief Valve: MNPTF x FNPTF, 1/2 in x 1/2 in, Brass, 125 psi Max. Op Pressure, 180°F (MPN 1/2 LF53-125)
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WATTS Pressure Relief Valve: MNPTF x FNPTF, 1/2 in x 1/2 in, Brass, 125 psi Max. Op Pressure, 180°F (MPN 1/2 LF53-125)
WATTS Pressure Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Brass, 175 psi Max. Op Pressure, 180°F (MPN 1/2 530-C)
Watts
WATTS Pressure Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Brass, 175 psi Max. Op Pressure, 180°F (MPN 1/2 530-C)
WATTS Pressure Relief Valve: MNPTF x FNPTF, 1/2 in x 1/2 in, Brass, 75 psi Max. Op Pressure, 180°F (MPN 1/2 LF53-75)
Watts
WATTS Pressure Relief Valve: MNPTF x FNPTF, 1/2 in x 1/2 in, Brass, 75 psi Max. Op Pressure, 180°F (MPN 1/2 LF53-75)
WATTS Pressure Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Bronze, 175 psi Max. Op Pressure, 210°F (MPN 1/2 53L-175)
Watts
WATTS Pressure Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Bronze, 175 psi Max. Op Pressure, 210°F (MPN 1/2 53L-175)

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