The APT 10-4.5 automatic condensate pump trap is designed to function as both a condensate trap and a pump. The unit also can be used as a small condensate return pump for open systems. It has an ...

The author uncovers an early Trane float air vent—offering a look at coal-era steam heating design, failed radiator traps, and what contractors should watch for in aging two-pipe systems. The first ...

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