




Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Watts 0274751 Series 174A Relief Valve is a bronze-bodied, high-capacity valve designed for hot water heating applications. It features a 3/4 inch FNPT connection and is rated for up to 125 psi with a BTU capacity of 2,070,000. This valve is suitable for use with hot water boilers, direct-fired water heaters, and storage tanks with indirect heaters to protect against excessive pressure.
Designed to protect heating systems from overpressure conditions, this relief valve is an essential component in maintaining the safety and functionality of boiler and water heating systems.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!




