Watts LF174A 150 FS 1 1/2 - Part of the LF174A Series

This lead free pressure relief valve has a 1 1/2 inch NPTF female inlet and outlet and a 150 psi pressure relief setpoint. This valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a lead free copper silicon alloy body, non-metallic disc-to-metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert^® technology to detect excessive water discharges from the relief valve. Sensor activation requires purchase of an activation kit which can be connected to existing building management systems or the Watts Cellular Gateway.

Features

• Features a flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve
• Requires purchase of activation kit to activate sensor
• Lead free copper silicon alloy body
• Automatic reseating
• Non-mechanical seat to disc alignment
• Set pressure 150 psi

Specifications
Body Material	Lead Free Copper Silicon Alloy
Brand	Watts
EAN	098268575804
Inlet Connection Size	1 1/2 IN
Inlet Connection Type	Female Threaded
Inlet Thread Type	NPTF
Lead Free	YES
Maximum Working Pressure-PSI	112
Outlet Connection Size	1 1/2 IN
Outlet Connection Type	Female Threaded
Outlet Thread Type	NPTF
Part Number	F121549
Pressure Range	Does Not Apply To Product
Pressure Relief Setting-PSI	150
Series	LF174A

• Specification Sheet - Flood Sensor for Relief Valve Discharge Line
• Specification Sheet - Flood Sensor for Relief Valve Discharge Line (French)
• Specification Sheet - Flood Sensor for Relief Valve Discharge Line (Spanish)
• Specification Sheet - LF174A
• Specification Sheet - LF174A (French)
• Specification Sheet - LF174A (Spanish)
• Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit
• Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit (French)
• Specification Sheet - Relief Valve Flood Sensor Retrofit Connection Kit (Spanish)

UPC - 098268575804