They replaced those pipes and then requested me to investigate the system. They said the carbon monoxide alarm had gone off prompting a maintenance call. A maintenance guy for the University said that there had been some really bad ones that had broken or cracked in the fitting and sagged like they were melting. The flue pipes were obviously deformed from heat and they were sagging. The flues had purple/ brownish PVC pipes with yellowish/tan colored PVC pipe fittings used as flue materials. The inspection revealed combination water heaters with a coil to provide heating hot water to the adjacent A/C unit. There were also reported problems of not having enough hot water and some units were getting calls for not enough heat in the peak winter months.Ī brief site visit was scheduled and an inspection of a couple of unoccupied units was done. The school had hundreds of apartments in numerous buildings that had combination water heater/heating hot water units that provided heating hot water to a coil in the adjacent A/C unit. A few years ago I was asked to inspect the mechanical systems in some university housing units at a university in the Midwest.
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