The Honeywell ST7800A1005 2-Second Purge Timer, is used to control the length of purge cycles in HVAC systems. The timer ensures the purge takes two seconds, so there is no wasted air or energy. It controls the purge timing closely to help prevent the system from getting too hot. The accurate timing helps make starting and stopping the system smoother, protects it from damage. The system stays efficient, which helps the overall performance and extends the equipment’s durability.
