Watts Relief Valve: FNPTF x FNPTF, 3/4 in x 3/4 in, Copper Silicon Alloy
The WATTS Relief Valve (MPN 3/4 LF174A 100 FS) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, 3/4 in x 3/4 in size, constructed of Copper Silicon Alloy, and rated for 150 psi…
SKU 3G-OTH-442538
Also listed as: 34LF174A100FS · 3 4 LF174A 100 FS · 3-4-LF174A-100-FS
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The WATTS Relief Valve (MPN 3/4 LF174A 100 FS) is an ASME Section XIII hot water pressure relief valve with FNPTF x FNPTF connections, 3/4 in x 3/4 in size, constructed of Copper Silicon Alloy, and rated for 150 psi maximum operating pressure.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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 used in commercial and industrial hydronic systems. It protects boilers, water heaters, and storage tanks from overpressure by automatically releasing water when system pressure exceeds 150 psi.
What are the specifications of the Watts 3/4 LF174A 100 FS?
This Watts relief valve has 3/4 inch FNPTF inlet and outlet connections, a copper silicon alloy body, and a maximum operating pressure of 150 psi. It is ASME Section XIII certified for hot water service. The manufacturer part number is 3/4 LF174A 100 FS.
Where to buy the Watts LF174A relief valve worldwide?
3G Electric supplies the Watts LF174A relief valve to customers worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this ASME-rated valve.
How to install a Watts pressure 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. Never install a shutoff valve between the relief valve and the system. Test operation after installation.
Used in
Common applications for WattsWatts Products
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.
