making it a standard replacement for R-22

it is the specified OEM replacement for the listed cross-references

The opening point is adjusted by turning the range adjustment screw on the top of the valve

ideal for low-pressure steam and high-temp hydronic heating

How do I wire the independent alarm signal

Lennox 20W27 Motor 318518-761 making it a standard replacementThe Lennox 20W27 motor is a purpose built OEM blower motor designed for high static pressure applications in residential and light commercial HVAC systems. This 1 2 HP motor operates on a 208 230V single phase power supply, delivering a nominal speed of 1075 RPM. As a PSC (Permanent Split Capacitor) motor, it provides reliable 2 speed operation (often utilized as 3 speed in specific blower assemblies like the 100792 01) to manage airflow requirements