Watts 174A-3/4-150 Boiler Pressure Relief ValveWatts 174A 3 4 150 Boiler Pressure Relief Valve provides essential overpressure protection for hot water boilers. This lever operated valve pairs a bronze body with a stainless steel spring to deliver reliable performance at a set pressure of 150 PSI. Its 3 4 inch inlet and 3 4 inch outlet feature female threaded end connections for straightforward installation on standard hot water heating boiler lines. The valve uses a metal seat with a non metallic

and debris to improve indoor air quality

Copper contacts and 600V dielectric strength ensure durability in harsh environments

UL-listed and designed for a broad ambient range from -25 to 125°F

Ideal for tasks requiring adjustable airflow

It provides a secure interface between gas supply and burner

proper blower operation

The gasket is designed to deliver reliable performance as a true replacement part in routine servicing

Use this part to restore easy startup

Compatibility: Heil Quaker/ICP 1184421

This reliable limit switch from Nordyne is designed as an OEM-style replacement that ensures consistent performance

this thermostat provides precise control

reliable lighting