When performing a teardown or routine fluid service on York centrifugal chillers or industrial condensing units

This assembly is primarily designed for the P265F and P250AF series

Is a vent limiter required when using this high-pressure spring

Industrial Build: Features class B insulation and sealed ball bearings to handle the thermal stress of flue gas induction

Precision RTD Element: 1K Ohm Platinum sensor provides superior linearity and stability for long-term HVAC monitoring

McDonnell & Miller FS1-J Switch 30067439-890 When performing a teardown orThe McDonnell & Miller FS1 J (Part Number 113550) is a high sensitivity in line liquid flow switch designed for precision monitoring in systems with low flow rates. Featuring a 1 2" BSPT connection, this model is engineered for applications where early detection of flow or no flow conditions is critical to protecting equipment like chillers or high efficiency boilers. The snap acting SPDT switch provides reliable electrical signaling, allowing for