where to start... As they offer on their website, i asked them to design what i needed. when i got the parcel, one of the manifolds was not included, and i was short 1 of three circulator pumps that i was billed for. the pumps that did come would not work with the controller they recommended. the roof mounting system is very marginal and i found that the more i questioned them via e mail, the less they liked it based on the tone and the content of the answers. finally they told me if i didn't like it i should design something myself. i... read full review »