Can I use this for both R22 and R404A systems

By replacing a cracked or soot-covered exchanger with this genuine Goodman replacement part

What are the electrical requirements for the SPDT switches

this component is calibrated to close at 31

Johnson Controls VG1245BN Valve 318518-761 Can I use this forThe Johnson Controls VG1245BN is a high performance 3 4 inch NPT ball valve engineered specifically for precise HVAC control in commercial applications. Designed as part of the VG1000 Series ball valve line, this two way unit features an integrated Amodel flow characterizing disk that ensures an equal percentage flow characteristic, providing the consistent temperature control typically associated with traditional globe valves. The 11. 7 Cv rating and