Well, the replacement regulator is working just fine. And because the fates like to mess with us, a few days after replacing the regulator, the typical Seattle rains came back and temps began to rise.
With the 15 day forecast showing lots of rain and barely ever getting near freezing temps, I am feeling good about my full-timing again. Warm and dry is so nice.
Thanks to everyone for the advice and the information. Knowing this forum was here as a resource was part of what gave me the confidence to start this adventure. 4 months done, 6 weeks left.