The York 356209 Limit Switch/Thermostat is a high-quality, auto-reset safety control designed to protect HVAC systems from overheating. It automatically opens at 150F to interrupt circuit power when the system temperature rises beyond safe levels and closes at 110F as the temperature drops back to normal. This switch ensures continuous, safe operation and prevents damage to sensitive components in York furnaces, air handlers, and packaged units. Key Features: Genuine York OEM limit switch/thermostat. Opens at 150F / Closes at 110F for accurate temperature control. Auto-reset function restores operation automatically once temperature normalizes. Provides reliable system protection against overheating. Factory-calibrated for precise and consistent performance. Durable construction ensures long service life under demanding HVAC conditions. Specifications: Part Number: 356209 Type: Limit Switch / Thermostat Disc Function: High Limit Temperature Control Setpoints: Opens at 150F / Closes at 110F Reset Type: Auto Reset Application: Furnace, Air Handler, or Packaged Unit Mounting: Surface mount, standard York configuration Compatible Models: AC8B048F4C D1NP036N03606 CPLC060A12MP11 D1NP048N06525 CM9M100C16MP11 GG8S100C20MP11 CP9C080C16MP11 CP8C060A12MP11 D1NO024N03606 FL8V060A12DH11 and more. Why Choose This Item: The York 356209 Limit Switch/Thermostat is an essential safety component that maintains system integrity and prevents overheating-related failures. As a genuine OEM part, it guarantees perfect compatibility, reliable operation, and long-term protection, keeping your York system running safely and efficiently.