it is ANSI Z21

this permanent split capacitor (PSC) motor offers the durability and power needed to maintain a comfortable environment year-round

Smith 100278092 Switch is a critical safety and operational component designed for high-performance commercial boilers and water heaters

While some components are shared across Mestek brands

Its felt-element construction provides superior filtration of solid contaminants and carbonized oil

Bray Commercial 300600-11010119 Valve 319852-301 it is ANSI Z21The Bray 300600 11010119 is a high performance 6 inch wafer style butterfly valve from the Series 30 Full Cut line, engineered for precise flow control in demanding industrial and HVACR environments. This cast iron butterfly valve features an ASTM A126 Class B body and an EPDM seat (Ethylene Propylene Diene Monomer), providing a resilient bubble tight shutoff and excellent chemical resistance at temperatures up to 250F. The ASTM A536 ductile iron disc