Designed for professional hydronic heating systems

which indicates the internal pressure relief has tripped

The Aaon P80420 is a fixed-bore design

For service technicians requiring a field-proven 208/240V replacement

Streamlined Installation: Direct mounting via a 1/4" SAE female flare requires no additional mounting brackets and includes 18-inch leads for flexible wiring

Watts 0067451 Valve Els PW 17895 Designed for professional hydronic heatingThe Watts 0067451 RA 1 AP 3 4" Steam Radiator Valve is a heavy duty bronze radiator valve engineered for reliable shutoff in low pressure steam and hydronic heating systems. Designed with a robust angle pattern, this valve facilitates efficient flow control in residential and commercial radiator configurations. The body is constructed from high quality ASTM B584 bronze, housing a rising stem and a renewable composition disc that ensures a tight seal