Inoperative aquastat

Heating · Distribution Systems · printed page 148 (PDF page 149)

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Book index entries

Aquastat – on Boiler Inoperative Boiler – Aquastat Inoperative Inoperative Aquastat

Text in the illustration

if the aquastat is loose or defective the boiler will not operate
cool water
exhaust flue
hot water
boiler
circulating pump
burner
aquastat

Generated explanation

The illustration shows a hot-water heating boiler with a burner, exhaust flue, circulating pump, cool-water return, and hot-water supply piping. An aquastat is mounted on the hot-water pipe leaving the boiler. A circular enlarged detail shows the aquastat tilted away from the pipe, illustrating a loose mounting condition. The annotation states that the boiler will not operate if the aquastat is loose or defective.

Components

boiler aquastat burner circulating pump exhaust flue hot-water supply pipe cool-water return pipe pipe elbows aquastat wiring

Defects shown

Loose or defective aquastat Boiler failure to operate