genius wrote:
Hey everyone,
Sorry if this topic has been discussed ad nausea here but I am at a
loss. I have a 10 Zone sprinkler system in that I am trying to blow
out myself to save some money. I have a setup that looks similar to
this:
http://www.sacreativeservices.com/forum_stuff/febco.jpg
but without "C." I swore last year when I paid to have the system
blown out, they hooked their compressor up to A. When I do this, all
the air just comes out the top of the backflow preventer. I have the
bottom blue valve closed along with the main shutoff line. I have the
top left blue valve open. I also have all the sprinkler valves closed
in hopes to build up about 40PSI in the supply line and then stand at
the controller and cycle each valve. I am unable to get any pressure
when hooking the compressor to A or B. What am I doing wrong?
Hi,
How much do they charge? Here it is 55.00 per visit. But I do myself
with my shop compressor. I shut off water, hook up compressor at 60 psi,
manually cycle all the zones to purge water. I have only 7 zones, Takes
about 15 mins. tops.