Tech Bulletins

One of the most often asked questions I receive is in regards to combustion air requirements. With today's modern construction techniques more and more emphasis is being placed on insulation, Tyvek style vapor barrier materials, triple pane glass, weather stripping and caulking. While this does help conserve energy there is a point at which the [...]

Technology in today's boiler design has caused a change in system set-up. An ever-increasing number of high efficiency boilers are currently designed to run with positive pressure, both in the fire box area, as well as the breech. In pressure fired applications, one of two air tube flange configurations must be used. The preferred method [...]

We have had many recent inquiries to our Technical Hot Line regarding troubleshooting of the Carlin nozzle line heater. In order to understand troubleshooting and servicing of the Carlin nozzle line heater you must first understand how it works. The heating element is a solid-state P.T.C. (positive temperature coefficient) heater. The heater is self-regulating to [...]

The research and development team at Carlin announces the Carlin/SecureHeat System 32 Heating System Monitor. Developed in conjunction with OnWatch Electronics of New Boston, NH the SecureHeat System 32 is the most comprehensive heating system monitor in the industry. The SecureHeat system monitors your heating system in three ways: Utilizing the Carlin 50200 microprocessor based [...]