Description
Carrier HH19ZA965 Auto-Reset Limit Switch Overview
The Carrier HH19ZA965 is an OEM auto-reset limit switch engineered to provide dependable overheat protection in Carrier furnaces and heating systems. Designed to open the circuit when temperatures reach 115°F and automatically reset once temperatures fall back to 165°F, this limit switch is a critical safety component that helps prevent heat exchanger damage and potential fire hazards.
Key Features
- Auto-reset (AUTO) operation — automatically restores circuit once safe temperatures are reached
- Opens at 115°F to interrupt burner operation during overheating conditions
- Resets at 165°F for automatic restoration of normal furnace operation
- OEM Carrier replacement part — engineered for precise fit and reliable performance
- Protects heat exchangers, burner assemblies, and downstream components from thermal damage
- Direct drop-in replacement for compatible Carrier furnace models
Product Specifications
- SKU: HH19ZA965
- Brand: Carrier
- Switch Type: Auto-Reset (AUTO) Limit Switch
- Open Temperature: 115°F
- Reset Temperature: 165°F
- Application: Carrier furnaces and heating equipment
Application & Installation
The HH19ZA965 limit switch is a direct OEM replacement designed for use in Carrier residential and light commercial furnaces. It monitors supply air or heat exchanger temperatures and interrupts the burner circuit when unsafe temperature thresholds are detected. The auto-reset design eliminates the need for manual intervention after a nuisance trip, making it ideal for installations where quick restoration of heat is important. Always verify compatibility with your specific Carrier furnace model before installation.
Reviews
There are no reviews yet.