How to Use the Joule Big Clamp for Sous Vide Baths
By Breville | Published: 2026-10-25
Category: How-to Guides
Learn how to securely mount your Joule immersion circulator to large containers using the Big Clamp. This guide covers setup, common mistakes, and tips for perfect sous vide results.
Quick Answer
The Joule Big Clamp lets you securely attach your immersion circulator to large containers like Cambros, coolers, or farmhouse sinks. This guide walks you through setup, positioning, and common pitfalls.
Why Use the Big Clamp?
Standard clamps may not fit thick container walls or wide rims. The Big Clamp extends your sous vide setup to large containers, making it ideal for batch cooking or feeding a crowd. It also prevents the circulator from tipping or slipping during long cooks.
Step-by-Step: Mounting the Joule Big Clamp
- 1. Position the Clamp on the Container Rim: Open the clamp jaws and place them over the edge of your container. Ensure the clamp sits level and the gripping surface contacts the rim evenly. Check that the clamp is not crooked or slipping; a tilted mount can cause uneven water circulation.
- 2. Tighten the Clamp Screw: Turn the screw clockwise until the clamp firmly grips the container wall. Do not overtighten, as it may damage thin plastic or glass containers. Test the grip by gently pulling the clamp; it should not move. If it does, tighten slightly more.
- 3. Attach the Joule Immersion Circulator: Slide the Joule into the clamp’s holder until it clicks or sits securely. Ensure the circulator is vertical and the water intake is fully submerged. If the circulator wobbles, recheck the clamp position and tightness. A loose mount can cause the unit to fall during cooking.
- 4. Fill and Heat the Water Bath: Add water to the container, ensuring the circulator’s minimum fill line is covered. Set your desired temperature and start the sous vide process. Monitor water level during long cooks; evaporation can expose the circulator’s heating element, triggering a safety shutoff.
Product Facts
- Joule Big Clamp: Big Clamp attaches Joule to large containers so you can cook up a storm in Cambros, coolers, farmhouse sinks, or any big ol’ thing. This means you can use larger vessels for bigger batches without worrying about stability or fit.

Joule Big Clamp
