Armstrong International D503157 Air and Gas Vent 30067439-890 While the 201Q element style

While the 201Q element style is common

It must be matched with the corresponding TD114C or AD1014-1116 selector components to ensure the discharge air temperature sensor signal is accurately interpreted by the control logic

Always verify the S1-025-29041-006 part number against your specific model's data plate

Can I use a universal 115V motor instead

eliminating the need for splicing in the field

Armstrong International D503157 Air and Gas Vent 30067439-890 While the 201Q element styleThe Armstrong International D503157 Air and Gas Vent is a high performance Series 21AR Cast Iron Fixed Pivot Ball Float designed for the efficient removal of air and gases from pressurized liquid systems. Engineered with a 1 2" NPT connection and a precision 5 64" orifice, this unit is built to manage a maximum operating pressure of 133 PSI. It is technically identical to the 21 AR 1 2 133 model, providing a robust solution for preventing air binding