McDonnell & Miller 339900 Valve Assembly and Gaskets R-410A Auxiliary Feedback: Built-in SPDT switch

Auxiliary Feedback: Built-in SPDT switch provides 0 to 95° adjustable signaling for system confirmation

and 8201-5579

Does this model feature a soft seat

or the outdoor unit heating up in cooling mode

McDonnell & Miller 339900 Valve Assembly and Gaskets R-410A Auxiliary Feedback: Built-in SPDT switchWhen you are maintaining a Series 25 A make up water feeder, the McDonnell & Miller 339900 (Model SA25A 6) is the exact float valve assembly required to restore proportional feed action. This technical kit includes both the precision engineered valve assembly and gaskets, ensuring a positive seal on the soft seat for reliable water level management in boiler receiver tanks. As a veteran grade replacement part, it is built to withstand a maximum water