For larger diameter assemblies (2-½" and up)

preventing "steam" or humidity spikes

The York S1-026-33326-700 is a counterclockwise (CCW) rotation wheel

this normally open switch ensures the induction fan is generating sufficient static pressure to safely vent combustion gases before allowing the ignition sequence to proceed

stainless steel trim models are required for 15 psig steam service

Johnson Controls VG1845AG Valve R-410A For larger diameter assemblies (2-½"The 1 2" Johnson Controls VG1845AG is a high performance 3 way ball valve engineered for precise control of hot water, chilled water, and 50% glycol solutions in commercial HVACR systems. Built with a forged brass body and 300 series stainless steel trim, this valve is rated for low pressure steam up to 15 psig, making it a versatile choice for mechanical contractors. It features an integrated Amodel flow characterizing disk that ensures a true equal