Jayco Embark Equipment problems by year

the leaking regulator did not fit the new regulator. The cover is required to prevent the vent at the bottom of the second stage from freezing over with moisture and causing the regulator to malfunction and creating a safety issue. I insisted that a cover be placed on the regulator. I was first told that they were not putting covers on the new regulators as they did not receive any with the shipment of new regulators. I continued to insist that they find a cover. The technician went to the parts department but was told that the covers were decorative and they were not supplying them. I still insisted and they found one and put it on my regulator. I talked with the shop foreman and told him of the problem and that he was creating a safety issue on all of the trailers that were getting new regulators. He said he would look into it. I asked for a response but have heard nothing. I called the rv manufacture and told them about the problem. They said they would call me back the next day. I haven't had a call. I am sending this to you as I am sure with the experience I encountered there are hundreds or maybe even thousands of trailers at my dealership alone that have had the regulator changed under the recall but did not get the protective cover.