the Supco APR5 features a safety time-out mechanism (1

For chiller service and split-system repairs

Installing it in a downward-flow configuration will prevent the spring and disc from seating correctly

making it an ideal drop-in replacement for legacy Erie zone valve bodies

Technicians typically see the condenser fan failing to cycle on as head pressure rises

Aaon R10230 Temperature Switch 30067439-890 the Supco APR5 features aThe Aaon R10230 Temperature Switch is a critical OEM safety component designed for compressor lockout protection in commercial rooftop units. Engineered to monitor ambient conditions, this switch acts as a low temperature limit, effectively disabling the compressor when outdoor temperatures drop below the 71F lockout threshold. This prevents the system from operating under unsafe head pressures or during conditions that could lead to liquid slugging