My 99 SD340 had Bennett trim tabs. They sell a conversion kit with LED display that my Yard man installed. It needs to be done out of the water. Bennett offers an Auto tab option once the feedback devices are installed inside the hydraulic cylinders....
I cut into my holding tank and it was clean. The source was the hot water tank and it penetrated the hot water piping. Flushing the HW tank with bleach and replacing HW tubing
Ours failed on our 99 DA340. I ordered the mechanical parts from Norcold, changed them out and it's like new. At the same time we ordered new shelves, trays, etc. You could take the parts from your new fridge and transfer to the original. It was pret...
