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this unit’s displacement and internal components are calibrated for the pressure characteristics of R-410A
preventing flame lifting or flashback
The HVAC air pressure sensor utilizes high-sensitivity diaphragms and normally open (N/O) silver-alloy contacts to provide reliable continuity and integrated safety logic
the AK114H delivers consistent functionality
the switch opens the 24V safety circuit to immediately terminate the burner cycle
Resideo VCZAA1000 Valve 323055-751 this unit’s displacement and internalThe Resideo VCZAA1000 is an industrial grade, 2 way balanced hydronic valve engineered for precision on off zone control in domestic and light commercial HVAC systems. This 1 2 inch sweat connection valve features a 3. 5 CV flow capacity, making it a staple for managing hot or chilled water and glycol solutions up to a 60% concentration. Built with a rugged bronze body and an EPDM sealed piston, the VC series zone valve provides a reliable close off
