July '18

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Paul and Mao Unmack, Owners, ARP RV Control W e have RVed for 59 years. My father helped inspire this because he was an adventurer. We lived in San Diego and we drove into Baja, Calif., staring around 1959. Our first RV was a homemade fiberglass slide-in camper designed to take the rough roads in Mexico. That RV had our first Dometic refrigerator, which lasted 35 years. Down the road, after owning and operating a foreign auto repair business for 20 years, I decided to go to engineering school. I started teaching automotive electrical diagnostics in the late 1980s. I came to find that automotive instrumentation and control was a passion. An engineering degree was necessary for the con- sulting work I was doing at that time. It was the engineering training that I attribute for giving me the skill set in helping find there was a need for an improved method, which helped improved safety, reliability and efficiency of RV fridges. We instrumented cooling units and discovered that there was a simple control method which required monitoring the high-temperature boiler assembly. It was satisfying to offer a solution to off-level issues that result in the failure of some refrigerators. We introduced our product at the 2013 Good Sam Rally in Atlanta. We were overwhelmed with the positive reaction that RV users greeted our product with. Many folks were frustrated with the same problem we discovered. It is a true accomplishment to have customers that consider us to be like family. To gain the trust of people in a short time and to have them loyal to our product is almost payment enough. J U LY S P E C I A L S E C T I O N ✪ Scott DeLadurantaye, Owner, Sealtech Mfg. T he crashed economy in 2009 forced me to find a new occupa- tion other than home remodeling that I had been doing for the previous 32 years. My story starts in 2005, when I ordered a new motorhome, only to have it leak for two years. No one could find the leak until I brought my motorhome to a Sealtech leak testing facility. Within half an hour they had found the leak that no one else could. Transition back to 2009 – I started a new business called RV Leak Finders. I purchased a 430-R Sealtech machine from a closed-down RV dealer out of Indiana. I hit the road in my now "not-leaking" motorhome, doing on-the-spot mobile leak testing, at campgrounds, rest stops and driveways. Initially, my goal was to supplement my diminished income and support my family of six by doing on-site mobile leak testing as I traveled the country. RV owners in 2009 were more likely to pro- tect their RV investment than ever, so this turned out to be a very "in-demand service." One good thing led to another. Eventually, I purchased Sealtech Mfg. Inc. from the owners/inventors out of British Columbia, Canada, in 2013. We relocated the manufacturing facility to Michigan and are now called Sealtech Mfg. U.S.A. What I am most proud of today is that we, at Sealtech Mfg., build, manufacture and sell the best equipment on the market for locating leaks. I help save RV owners thousands of dollars in water damage repairs. 138 • RV PRO • July 2018 RV PRO: Origins Paul and Mao Unmack

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