this specific 2266 replacement is designed exclusively for the Crathco Classic Bubbler line and does not fit G-Cool or Simplicity series dispensers

or non-combustible gas systems

The Modine 5H0730570004 Vent Switch is a critical safety component engineered for precise thermal monitoring in high-performance heating systems

Designed specifically for compatibility with York GY8S furnace models and related high-efficiency HVAC equipment

Double Pole Single Throw (DPST): Provides a dual-line break for enhanced electrical safety

Lennox 18J28 Limit Switch this specific 2266 replacement isWhen you're troubleshooting a furnace that's short cycling or a blower motor that won't quit, the Lennox 18J28 Limit Switch is a primary diagnostic point. This genuine OEM furnace high limit switch is a critical safety component designed to monitor heat exchanger temperatures and prevent hazardous overheating. Featuring a 165F CO (Cut Out) and 135F CI (Cut In) thermal profile, this auto reset limit switch ensures the burner circuit opens if internal