Zonefirst ZDS-22X18 22WX18H Parallel 24V 2-Pos S/R Refrigerant this normally closed thermal switch
Baker’s notes & crumb story
Description
Zonefirst ZDS 22X18 22WX18H Parallel 24V 2 Pos S R Refrigerant this normally closed thermal switch this normally closed thermal switch is essential for resolving issues where the blower fan runs continuously or the furnace cycles on high limit due to restricted airflow or component fatigue By maintaining constant radial pressure against the moving stem