Watts Relief Valve: FNPTF x FNPTF, 1 1/4 in x 1 1/4 in, Copper Silicon Alloy
The WATTS Relief Valve (MPN 1-1/4 LF174A 125 FS) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 1/4 in x 1 1/4 in, constructed from copper silicon alloy, and featuring…
SKU 3G-OTH-442491
Also listed as: 114LF174A125FS · 1 1 4 LF174A 125 FS · 1-1-4-LF174A-125-FS
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The WATTS Relief Valve (MPN 1-1/4 LF174A 125 FS) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 1/4 in x 1 1/4 in, constructed from copper silicon alloy, and featuring an overall height of 8 1/2 in.
Frequently Asked Questions
What is the Watts LF174A relief valve used for?
The Watts LF174A is an ASME Section XIII hot water pressure relief valve designed to protect water heaters and storage tanks from overpressure. It automatically opens when pressure exceeds the set limit, preventing system damage. Common in commercial and industrial hot water systems.
What are the specifications of the Watts 1-1/4 LF174A 125 FS?
This Watts relief valve has 1 1/4 inch FNPTF x FNPTF connections, a copper silicon alloy body, and an overall height of 8 1/2 inches. It is rated for ASME Section XIII hot water service. The manufacturer part number is 1-1/4 LF174A 125 FS.
Where to buy Watts relief valves worldwide?
3G Electric supplies Watts relief valves worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide the Watts LF174A and other models to industrial buyers. Contact us for availability and lead time to your location.
How to install a Watts LF174A relief valve?
Install the Watts LF174A in the hot water system's tapping, ensuring the valve body is upright and discharge piping is directed to a safe drain. Use thread sealant on the FNPTF connections. Follow local codes and the manufacturer's instructions for proper pressure setting and testing.
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3G Electric supplies Watts asme section xiii hot water pressure relief valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
