depending on the specific application's service factor

this switch opens due to insufficient draft in the heat exchanger

The Maxitrol 12A09 Vent Limiter is an essential ball-check safety component designed for indoor gas pressure regulation

s service kit

maintaining the structural integrity of the entire cooling circuit without the need for improvised field modifications

York S1-2845-3171 Limit Switch depending on the specific application'sThe York S1 2845 3171 is a high precision, automatic reset HVAC limit switch engineered specifically for York heating systems and light commercial furnace applications. This OEM limit control operates with a fixed temperature range, featuring a switch opening temperature of 105F and a switch closing temperature of 95F. As a critical safety component, it monitors airflow temperatures to prevent heat exchanger damage or system overheating, ensuring your