This rollout switch is a primary safety device

ensuring a leak-proof seal and reliable pilot-operated performance

Technicians should pull the rod during annual service

5% full-scale accuracy

bronze ball valve shut-offs allow for rapid isolation during mandatory annual testing

York S1-025-33474-240 Heater 324846-701 This rollout switch is aThe York S1 025 33474 240 Heater is a heavy duty crankcase band heater engineered for precise thermal management in Bristol compressor applications and York air handling units. Operating at 240V with a 90W power output, this belly band heater provides the critical heat required to prevent refrigerant migration and oil dilution during system shutdown. It is specifically designed to fit compressor housings with a circumference range of 28. 7 to 35. 7