Carrier HVAC HH19ZA135 Limit Switch/Thermostat, L135-40F, Auto Reset
Carrier HVAC HH19ZA135 Limit Switch/Thermostat, L135-40F, Auto Reset is backordered and will ship as soon as it is back in stock.
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The Carrier HH19ZA135 is a genuine OEM temperature limit switch and thermostat designed to regulate and protect your HVAC system by monitoring temperature thresholds and triggering automatic responses when limits are reached. With an L135-40F rating and auto reset functionality, this switch restores normal operation once temperatures return to safe levels — minimizing downtime and service interruptions.
Key Specifications
- Part Number: HH19ZA135
- Product Type: Temperature Switch Actuator (Limit Switch / Thermostat)
- Temperature Rating: L135-40F
- Reset Type: Auto Reset
- Mount Type: Surface Mount
- Mount Position: Any Position
Genuine OEM Reliability
As a real OEM component, the HH19ZA135 is engineered to deliver consistent response and calibrated performance throughout its service life. Unlike aftermarket alternatives, genuine OEM switches help prevent system breakdowns caused by signal drift, misreads, or intermittent faults — ensuring your HVAC system operates within safe and stable temperature parameters.
Compatible Models
This limit switch is confirmed to fit the following popular Carrier models:
- 52BQB311 — 400AA
- 52BRA309 — 301EP
- 52BQA314 — 300CP
Always verify your model and part number before ordering to ensure proper fitment.
Dimensions
| Length: | 1.0" |
| Width: | 1.0" |
| Height: | 1.0" |
Part Carrier HVAC HH19ZA135 Limit Switch/Thermostat, L135-40F, Auto Reset fits 0 models
The Carrier HH19ZA135 is a genuine OEM temperature limit switch and thermostat designed to regulate and protect your HVAC system by monitoring temperature thresholds and triggering automatic responses when limits are reached. With an L135-40F rating and auto reset functionality, this switch restores normal operation once temperatures return to safe levels — minimizing downtime and service interruptions.
Key Specifications
- Part Number: HH19ZA135
- Product Type: Temperature Switch Actuator (Limit Switch / Thermostat)
- Temperature Rating: L135-40F
- Reset Type: Auto Reset
- Mount Type: Surface Mount
- Mount Position: Any Position
Genuine OEM Reliability
As a real OEM component, the HH19ZA135 is engineered to deliver consistent response and calibrated performance throughout its service life. Unlike aftermarket alternatives, genuine OEM switches help prevent system breakdowns caused by signal drift, misreads, or intermittent faults — ensuring your HVAC system operates within safe and stable temperature parameters.
Compatible Models
This limit switch is confirmed to fit the following popular Carrier models:
- 52BQB311 — 400AA
- 52BRA309 — 301EP
- 52BQA314 — 300CP
Always verify your model and part number before ordering to ensure proper fitment.
Dimensions
| Length: | 1.0" |
| Width: | 1.0" |
| Height: | 1.0" |
Part Carrier HVAC HH19ZA135 Limit Switch/Thermostat, L135-40F, Auto Reset fits 0 models