In fairness to all, we don't discuss pricing on the Wall. Thanks for your cooperation.
Wirsbo leak- check your systems
I just helped a neighbor the other day with his Radiant system. The in wall brass Wirsbo manifolds were leaking on the second story of his home. Was able to find some gaskets and replace them. The system is 13 years old. You can't take these systems for granted. You must look and inspect the in wall manifolds at least twice a year. Caught mine leaking last year but caught it early. The common parts to replace are:
Basic End Cap Gasket (A2400032)
or Basic End Cap (A2080032) comes with the End cap gasket
Manifold Gasket (A2403232)