Universal Carburetor Electric Choke Thermostat TH1034

Frequently Asked Questions – Carter Electric Thermostat TH1034

1. What carburetors is the TH1034 compatible with?
The TH1034 fits many common AFB, Holley 4000, and various marine/Webber carburetors. Make sure your current thermostat’s cap diameter is around 2?5/32" and coil rotation matches the TH1034 specs

2. What is the correct cap diameter and depth?

• Cap Diameter: 2?5/32?

• Cap Depth: 0.80? (approx.)
  These dimensions ensure a proper fit on compatible carb housings

3. How does the thermostat operate?

• When heated: the coil rotates clockwise, opening (leaning) the choke.

• Shaft behavior: the choke shaft winds counter-clockwise when heated, closing when cold

4. Will it work on my Holley 4000 carburetor?
Yes—the TH1034 is a known replacement for the Holley 4000 electric choke thermostat. It's also used with Weber and various marine carb setups

5. How do I wire the electric choke?
Connect the negative terminal to the carburetor body (chassis ground) and the positive terminal to your ignition coil. Bend the coil’s end in a circle to fit the choke linkage. It runs on 12V systems

6. Is this a universal or specific fit?
While marketed as “universal,” it's only compatible with specific carburetors. Always compare your existing parts' dimensions and rotation direction before purchasing

7. Is the thermostat in stock?
Yes, the TH1034 is in stock as indicated on the product page and is ready to ship.

8. Can I use this on a marine carburetor?
Yes. The TH1034 fits several marine carb models, including AFB, Holley 4000, and Weber setups used on boats

9. Are there installation guides or videos available?
Absolutely—See the attached video.

10. Will this work with ethanol-blended fuel?
Yes—the TH1034 is built with modern materials compatible with ethanol blends (E10+), ensuring long-lasting performance.