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An aquastat commonly has a temperature differential preset by the manufacturer.

Safety valves on steam boilers are designed to open slowly.

Water hardness is commonly checked with an electronic hardness tester.

Common cooling system applications include air conditioning of building spaces and refrigeration in food processing, such as in a pasteurization process.

Steam headers and branch lines must be supported to prevent damage from strain.

Common cooling system applications include air conditioning of building spaces and refrigeration in food processing, such as in a pasteurization process.

A high water level in a boiler can lead to carryover.

A(n) ___ test is used to check for leaks in a boiler.

A(n) ___ test is used to check for leaks in a boiler.

A ___ consists of two independent spring-loaded check valves, test cocks, and isolation valves.