Posted 2/28/2021 22:37 (#8865063 - in reply to #8864091) Subject: RE: Locating in-floor heat lines in concrete slab
Ecsd
We shut ours off for a few days then turned it back on and had the local fire station come out with their big ir camera. You need a big boiler so temp changes fast enough or if you know which runs it may be close to shut off the other runs at manifold.