Keeping dump valves from freezing
We have a 2016 Evo by Forest River T2050 travel trailer with the "Arctic Package." That package includes an insulated and enclosed underbelly, increased insulation all the way around, and tank heater ...
Forum Discussion
ndrorder wrote:
A quick google search taught that freeze protection and burst protection are 2 different ratings. RV antifreeze advertises -50F burst protection in copper which equates to a -10F burst protection in PVC which equates to a +12F freeze protection. Also, for freeze protection down to 0F whether it is RV or engine antifreeze (engine could be used in draings), the antifreeze would have to be 36% of the total fluids. In other words, to protect the dump valve down to 0F 1/3 of the holding tank would need to be antifreeze either RV or auto.
Cool beans,
Cliff
Wow, Cliff - thanks for that analysis! It confirms my suspicions.
