Watts 1 in x 1 in Copper Silicon Alloy ASME Section IV Hot Water
The Watts F121504 is an ASME Section IV hot water pressure relief valve with 1 in x 1 in FNPTF connections, constructed from copper silicon alloy. It has a maximum operating pressure of 150 psi (MPN F121504). 3G…
SKU 3G-OTH-429342
Also listed as: F 121504 · F-121504
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 F121504 is an ASME Section IV hot water pressure relief valve with 1 in x 1 in FNPTF connections, constructed from copper silicon alloy. It has a maximum operating pressure of 150 psi (MPN F121504). 3G Electric interprets demand and delivers this genuine industrial part across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the Watts F121504 relief valve used for?
The Watts F121504 is an ASME Section IV hot water pressure relief valve used in commercial and residential hydronic heating systems. It automatically opens to discharge excess pressure above 150 psi, protecting boilers and water heaters from overpressure damage. The 1-inch FNPTF connections suit standard piping configurations.
What are the specifications of the Watts F121504 relief valve?
The Watts F121504 has a maximum operating pressure of 150 psi, with 1-inch FNPTF female threaded connections on both inlet and outlet. The body is made of copper silicon alloy for corrosion resistance. It is an ASME Section IV rated hot water pressure relief valve, manufactured by Watts under part number F121504.
Where to buy the Watts F121504 relief valve worldwide?
3G Electric supplies the Watts F121504 relief valve to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for international shipping.
How to install the Watts F121504 relief valve?
Install the Watts F121504 in the hot water outlet line of the boiler or water heater, ensuring the valve's pressure rating matches the system. Use thread sealant on the 1-inch FNPTF connections and orient the discharge pipe downward to a safe drain location. Test operation after installation by manually lifting the lever.
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Common applications for WattsWatts 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.
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Compatible alternatives & equivalents
- Watts ASME Section XIII certified hot water pressure relief valve with 1 in x 1 in NPTF x NPTF connections. Constructed from copper silicon alloy. Set to open at a maximum operating pressure of 56 psi to protect water heaters and storage tanks from overpressure in commercial and industrial hot water systems
- Watts This Watts pressure relief valve is ASME Section XIII certified for hot water service. It features FNPTF x FNPTF connections and a cast iron body. The valve automatically releases water when system pressure exceeds 40 psi, protecting boilers, water heaters, and storage tanks from overpressure in commercial and industrial hydronic systems
