Step 5Step 3: Assembly
2. (Sand the ends of your tube if they aren't smooth to prevent damaging the PVC)
3. You will want the PVC caps (both the assembly from step 1 and the other 2" by 1 1/2" reducer bushing) to fit as snugly as possible in order to prevent propane from escaping. To ensure a tight seal I wrapped each end of the tube in 1/2" masking tape until the PVC caps fit extremely tightly. Next, I removed the PVC caps, put silicone around the circumference, and gently hammered on the PVC caps. Let the silicone dry for the recommended time.
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