Pros, Join Our TradeMaster Program!
Description
Standard Pressure Setting: 30psi (206.9 kPa).

Series 374A Watts Boiler Pressure Relief Valves are used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. It consists of an iron body construction with forged bronze inlet connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. Series Watts 374A resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control.
Hide Description
Manuals (1)
Specs
Size:

3/4"

Pressure Set Point:

30 psi

Capacity:

550000 BTU/hr

Inlet Type:

FNPT

ASME:

Yes

Material:

Bronze

Application:

Heating

Thread Type:

Female

Temperature Range (F):

250°F Max

Connection Type:

Threaded

Outlet Type:

FNPT

Width:

2-1/2"

Height:

3-5/8"

×

Product Review

Product Q&A

Add-on Item

This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.

Why don't we show the price of this item?

We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

To see the price, simply add the item to your cart or sign in.