How do I wire the A19QSC-1 for cooling versus heating

this genuine OEM Nordyne circuit board restores factory-spec airflow and protects the PSC or variable-speed motor from irregular signal interference

Single-Pole Single-Throw Logic: Three independent relays allow for tiered fan speed control or discrete component activation

Key Benefits: Precise Calibration: Factory set at 1

a precision-wound compression spring

York 022-09172-000 Ball Valve 30067439-890 How do I wire theThe York 022 09172 000 is an industrial grade 1 2" ball valve designed for precision flow control in York chiller systems and HVACR refrigeration cycles. Engineered to handle high pressure environments up to 700 PSI (48 bar), this manual service valve features a drilled and tapped body, making it ideal for thermostatic applications and gauge installations. As an authentic OEM replacement part, it ensures seamless integration with Johnson Controls