Permits for HVAC installation or modification must be obtained prior to work starting.

Draft hoods and barametric draft regulators must be installed in the same room or enclosure as the appliance being served.

The point of transfer for LP gas dispensing shall be at least ____ feet from public streets and ____ feet from the lot line of property that can be built on.

A _________________ type flame sensor is a device that will generate a small voltage when heated.

A devise responsive to changes in pressure, temperature, or level and turns on or off or throttles the gas valve or other mechanisms to an appliance is known as

Determine the size of the pipe in section (6) using the longest length method.

In public garages appliances shall be installed a minimum of 8 feet above the floor and not less than ______ feet higher than the tallest vehicle door opening.

Modern oil burners have a primary control that uses which of the following methods to prove burner ignition?

Repair work on HVAC equipment must not alter the nature of the appliance or equipment in violation of the listing and label.

Which of the following conditions will occur if the airflow is restricted on either the supply or return side of the blower?