Johnson Controls
Johnson Controls A99BB-200C Replacement PTC Sensor with 6-1/2 ft (2 m) Leads Temperature Controller
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SKU A99BB-200C
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Details
The Johnson Controls A99BB-200C Replacement PTC Sensor with 6-1/2 ft (2 m) Leads Temperature Controller is a Johnson Controls temperature controller for HVAC repair and replacement work. Use it when the part number A99BB-200C and the listed specifications match the equipment being serviced.
Built for service work where the listed temperature controller specs and Johnson Controls part number must match the equipment being repaired.
Key Specs
- Product Type: Sensor
- Application: Replacement Part
Fitment Notes
Captured equipment fit data references models including A419ABC-1C, A419AEC-2C, A419GBF-1C, A421ABC-02C, A421ABD-02C, A421AEC-02C, A421AEC-2C, A421GBF-02C, A421GEF-02, Y88FB-1. Verify the complete unit model and service manual before installation.
Expert Verdict
Reviewed by the SuperArbor Pro Desk: choose this part when the existing component label and unit documentation match A99BB-200C and the spec set above. It is best suited for targeted HVAC service repairs where exact fitment matters more than broad universal compatibility.
FAQs
What is the Johnson Controls A99BB-200C used for?
It is a temperature controller for compatible Johnson Controls HVAC equipment. Match the part number A99BB-200C and the equipment service literature before ordering or installing.
Which specs should I verify before purchase?
Verify the spec set shown for this part: Product Type: Sensor; Application: Replacement Part. The replacement should match the existing component and the unit documentation.
How do I confirm this is the right replacement?
Compare the part number A99BB-200C, the temperature controller description, and any unit model references with the original component and the service manual.
Which equipment models are referenced in the fit data?
Captured fit data references models such as A419ABC-1C, A419AEC-2C, A419GBF-1C, A421ABC-02C, A421ABD-02C, A421AEC-02C. Treat this as a fitment aid and verify the complete model list in the equipment documentation.
Who should install this HVAC component?
A qualified HVAC technician should install and test the temperature controller. Disconnect power first, follow lockout procedures, and confirm safe operation after replacement.
Safety and Installation Notes
Disconnect power before service. HVAC electrical and combustion-related components should be installed and tested by a qualified technician. After installation, confirm wiring, mounting, airflow or fluid routing as applicable, and normal system operation.
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