SC Heating Practice Questions - South Carolina Heating Contractor Examination Exam

A low-water cutoff is required on steam and hot-water boilers except in which case?

Any boiler under 200,000 Btu/h Coil-type and water-tube-type boilers that require forced circulation and are protected with a flow-sensing control Any modular boiler Any boiler with an expansion tank

Correct Answer:

Coil-type and water-tube-type boilers that require forced circulation and are protected with a flow-sensing control

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