Formerly known as the Service Handbook Library, these manuals have been completely updated and provide even more service information to technicians working on residential and light commercial heating and AC equipment and controls.

• Gas Controls Service Manual: all of the technical data and service information needed to safely and efficiently check and repair gas burner controls systems. Includes combination gas controls manufactured in the last 30 years for furnace, boiler and other heating appliance manufacturers, as well as service replacement controls.
• Gas Electronic Ignition Controls Service Manual: principles of controlling gas heating equipment including intermittent pilot, direct spark ignition and hot surface ignition. Model numbers and specifications for obsolete as well as currently manufactured controls.
• Oil Controls Service Manual: control of oil burners is undergoing a major change as manufacturers are transitioning from electromechanical and electronic controls to microelectronic oil primary controls. This manual includes information on these controls and on older devices that have been used for years.
• Commercial Controls Service Manual: introduction and fundamentals of electric and electronic controls used on commercial packaged and other light commercial equipment. Includes: motors and actuators, linkages, dampers and valves, electromechanical controllers, electronic sensors, electromechanical economizers, electronic solid state economizers, reset systems and fan coil systems.
• Air Conditioning and Electric Heat Controls Service Handbook: components of the cooling control system: thermostat, contactor, pressure controllers, fan relays, fan centers and transformers. Glossary and troubleshooting guide.