Please call Customer Service at 800-642-4945 so we can let you know if your specific units are within warranty or fill out the request form on this page.
Please note all 7700 Series Suction Regulators are out of warranty. For 7800, 3700, 3800, and 3900 Series Suction Regulators please locate the lot code using the directions below.
You will need the model number of your suction regulator and the lot code. You can find the lot code etched into the back of the unit near where it meets the wall. The lot code is 2 numbers and 1 letter. A lot code stands for the month and year that your suction regulator was made and is crucial to finding out whether the unit is still within warranty.