At 72 inches wide by 84 inches long, the California king mattress is perfect for those who want more length in the bed. The California king is 4 inches narrower than a king size mattress, but it is 4 inches longer. This bed size still gives each sleeper 6 inches more sleeping width than a queen size bed.
An induction heater is a key piece of equipment used in all forms of induction heating. Typically an induction heater operates at either medium frequency (MF) or radio frequency (RF) ranges. Induction heating is a non contact method of heating a conductive body by utilising a strong magnetic field.
Electric Plenum Heaters. A plenum heater is an electric resistance heating device that is installed in the plenum, which is the spot in the ductwork system where ducting and furnace join. Air is heated as it flows across electric elements and then is distributed through the existing ductwork.lectric Plenum Heaters. A plenum heater is an electric resistance heating device that is installed in the plenum, which is the spot in the ductwork system where ducting and furnace join. Air is heated as it flows across electric elements and then is distributed through the existing ductwork.