@BrianZ, my original idea was also to put the filling tee inside for exactly the reasons you mentioned. However, others see more advantage to working from the outside. It's a potato-potahto thin… (View Post)
@Tampakayaker, my understanding is the pesky one-way valve would prevent you from drawing fluid back through the boiler and out the drain. Drawing it in the other direction won't work either as … (View Post)
As promised long ago here it is... While I had naively hoped to keep this to a page or two, I opted for details (including graphics) over brevity. I've also included two appendices offering addi… (View Post)
@ChanW, I don't think you are missing anything--so long as you have an inlet and an outlet in close proximity, I doubt the system cares where you introduce and drain the glycol. The advantage of… (View Post)
Yesterday I decided to tackle changing my long-neglected glycol. Although I originally anticipated this to be a relatively straightforward procedure, the recent concerns about corrosion of the alumin… (View Post)