Bell & Gossett 110193LF FB-38TU hot water relief valve with 1/2" NPT connection, set at 12 PSIG, featuring a fast fill feature. This lead-free (NSF 372) valve is designed for hydronic heating systems to provide pressure relief and automatic fill capability.

Bell & Gossett model FB38 brass pressure reducing valve with a 1/2" female x female NPT connection. These valves are for use in low pressure hydronic systems with a check valve and strainer that are factory set to 12 psi. They feature an adjustable range of 10-25 psi. This model also features a "fast-fill" handle, which opens the valve full open for faster filling of the hydronic system, and includes the connection nipple, nut, and washer.

Specifications:
1/2" FNPT X 1/2" MNPT Threaded Union Connection
Factory Set @ 12 PSI
Adjustable Pressure Range 10-25 PSI
Has Fast Fill Lever

Replaces Sid Harvey B138-12 & B138-12R