There are many different manufacturers of caravans, but many components are made by the same companies. Most van water heater access doors use these small clips to hold the door shut, but the originals are made of plastic and metal. The spring loaded part is metal and the tab that needs to be pulled and twisted to open the access door is made of plastic which can break. Here's what happened to mine. I saw that I had to buy a new one just like my old one and worry about it breaking again, or get one that's all metal and never breaks. I don't know why they sell these metal ones in sets of two but maybe one day I'll run into some campers who need it and I can help them.
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