We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Watts Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Copper Alloy - ASME Section IV Hot Water Pressure Relief Valves
WattsASME Section IV Hot Water Pressure Relief Valves

Watts Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Copper Alloy

SKU 3G-OTH-429365

Brand
Watts
Item
Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Copper Alloy
Category
ASME Section IV Hot Water Pressure Relief Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

Watts
Manufacturer Part Number
3/4 LF3L-150
Type
3/4 in x 3/4 in, Copper Alloy
Max. Op Pressure
125 psi
View Full Spec Sheet

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

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 hot water 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

Similar products

Matched by specification & description
WATTS Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Brass, 150 psi Max. Op Pressure (MPN 3/4 3L-150). Key specifications — Brand: WATTS.
Watts
WATTS Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Brass, 150 psi Max. Op Pressure (MPN 3/4 3L-150). Key specifications — Brand: WATTS.
WATTS Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size (MPN 3/4 LF L100XL 150-210). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size (MPN 3/4 LF L100XL 150-210). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size (MPN 3/4 LF100XL8-150/210). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size (MPN 3/4 LF100XL8-150/210). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Pressure Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Brass, 20 psi Max. Op Pressure (MPN 3/4 354A-030). Key specifications — Brand: WATTS.
Watts
WATTS Pressure Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Brass, 20 psi Max. Op Pressure (MPN 3/4 354A-030). Key specifications — Brand: WATTS.
WATTS Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size (MPN 3/4 LF100XL 175-210). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size (MPN 3/4 LF100XL 175-210). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
WATTS Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size (MPN 3/4 LF100XL 125-210). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.
Watts
WATTS Temperature and Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in Connection Size (MPN 3/4 LF100XL 125-210). Key specifications — Brand: WATTS; Body Material: Copper Silicon Alloy.

More from Watts

View all Watts parts
WATTS RELIEF VALVE: FNPTF x FNPTF, 1 in x 1 in, Copper Silicon Alloy, 150 psi Max. Op Pressure (MPN F121504). Key specifications — Brand: WATTS.
Watts
WATTS RELIEF VALVE: FNPTF x FNPTF, 1 in x 1 in, Copper Silicon Alloy, 150 psi Max. Op Pressure (MPN F121504). Key specifications — Brand: WATTS.
WATTS Pressure Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Copper Silicon Alloy, 4 1/2 in Overall Ht (MPN F121475). Key specifications — Brand: WATTS.
Watts
WATTS Pressure Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Copper Silicon Alloy, 4 1/2 in Overall Ht (MPN F121475). Key specifications — Brand: WATTS.
WATTS Pressure Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Bronze, 20 psi Max. Op Pressure (MPN 3/4 335M2-030). Key specifications — Brand: WATTS.
Watts
WATTS Pressure Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Bronze, 20 psi Max. Op Pressure (MPN 3/4 335M2-030). Key specifications — Brand: WATTS.
WATTS Pressure Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Copper Silicon Alloy, 3 1/2 in Overall Ht (MPN 1/2 LF53L-150). Key specifications — Brand: WATTS.
Watts
WATTS Pressure Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Copper Silicon Alloy, 3 1/2 in Overall Ht (MPN 1/2 LF53L-150). Key specifications — Brand: WATTS.
WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 1/2 in x 2 in, Iron, 75 psi Max. Op Pressure (MPN F383742). Key specifications — Brand: WATTS.
Watts
WATTS Pressure Relief Valve: FNPTF x FNPTF, 1 1/2 in x 2 in, Iron, 75 psi Max. Op Pressure (MPN F383742). Key specifications — Brand: WATTS.
WATTS Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Copper Alloy, 125 psi Max. Op Pressure (MPN 3/4 LF3L-075). Key specifications — Brand: WATTS.
Watts
WATTS Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Copper Alloy, 125 psi Max. Op Pressure (MPN 3/4 LF3L-075). Key specifications — Brand: WATTS.
WATTS Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Bronze, 20 psi Max. Op Pressure (MPN 3/4 M335M2-030). Key specifications — Brand: WATTS.
Watts
WATTS Pressure Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Bronze, 20 psi Max. Op Pressure (MPN 3/4 M335M2-030). Key specifications — Brand: WATTS.