The Aaon P80420 is a fixed-bore design

Is this a direct replacement for plastic or metal switches

000+ cycle performance with non-corrosive air media

Designed for professional hydronic heating systems

Watts 0067451 Valve Els PW 17895 The Aaon P80420 is aThe 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