Watts Relief Valve: FNPTF x FNPTF, 1 in x 1 in, Copper Silicon Alloy
The WATTS Relief Valve (MPN 1 LF174A 150 FS) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 in x 1 in in a copper silicon alloy construction, rated for a maximum…
SKU 3G-OTH-442480
Also listed as: 1LF174A150FS · 1-LF174A-150-FS
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The WATTS Relief Valve (MPN 1 LF174A 150 FS) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, sized 1 in x 1 in in a copper silicon alloy construction, rated for a maximum operating pressure of 150 psi.
Frequently Asked Questions
What is a Watts LF174A relief valve used for?
The Watts LF174A is an ASME Section XIII hot water pressure relief valve used to protect water heaters and boilers from overpressure. It automatically opens at 150 psi to discharge excess pressure, preventing system damage. Common in commercial and industrial hydronic heating systems.
What are the specifications of the Watts 1 LF174A 150 FS?
This Watts relief valve has 1 in FNPTF x 1 in FNPTF connections, a copper silicon alloy body, and a maximum operating pressure of 150 psi. It is ASME Section XIII rated for hot water service. The manufacturer part number is 1 LF174A 150 FS.
Where to buy Watts relief valves worldwide?
3G Electric supplies and delivers genuine Watts relief valves, including the LF174A series, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on the 1 LF174A 150 FS or other Watts pressure relief valves.
How to install a Watts LF174A relief valve?
Install the Watts LF174A in the hot water system discharge piping with the valve stem vertical. Ensure no shut-off valve is placed between the valve and the system. Pipe the discharge to a safe drain location per local codes. Always follow the manufacturer's installation instructions.
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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.
