On Fri, 2 Nov 2007 02:47:42 GMT, wrote:

I have just compleated modifications to system.......Had to completely drain
system to make changes......can I now turn on fill valve and refill system
and fire up boiler, or is there some kind of addative required?? Also
would like to insulate hot water pipes in basement is there a low cost way
of doing this????? Thanks

Water additive? Mine was just replaced and all I needed to do was add
water and turn on the burner.