Description
Product Summary
The Johnson Controls A19AAF-12C is a limit switch / temperature control from Johnson Controls, described by the manufacturer as: SPDT remote bulb temperature control 25-225F 3.5 dif 10' bulb.
Limit switches and temperature controls open or close a circuit at a set temperature. They protect equipment from overheating and control fans, burners and pumps based on temperature. Replace a control that trips at the wrong temperature, will not reset, or shows open or closed when it should not with the temperature confirmed.
Before you order, match A19AAF-12C to the part number on the part you are replacing or in your equipment's repair parts list, and confirm the voltage, size and connections match your equipment. If you are not sure which part your equipment needs, call us at 1.888.509.3391 with the model and serial number and we will confirm it for you.
Key Features
- Genuine Johnson Controls part: Manufacturer part number A19AAF-12C, factory new.
- Part type: Limit Switch / Temperature Control.
- Ready to ship: In stock with live quantities shown on this page.
Frequently Asked Questions
Is this a genuine Johnson Controls part?
Yes. This is the Johnson Controls A19AAF-12C, a factory-new limit switch / temperature control from Johnson Controls.
How do I make sure it fits my equipment?
Compare A19AAF-12C with the part number printed on the part you are replacing or listed in your equipment's repair parts list, and confirm the voltage and connections match. If you are not sure, call us at 1.888.509.3391 with your model and serial number and we will confirm it.
Can I replace a limit with a different temperature rating?
No. Use the same opening and closing temperatures as the original. A different rating can create a safety hazard.
Should a professional install this part?
Yes. Gas, electrical, hydronic and combustion components should be installed by a qualified technician who can test the system afterward and follow the codes that apply where you live.
