Profile: HVR Pentagon Ltd. is a manufacturer of power resistors and cubicle heaters. Our product line includes power resistors, anti-condensation heaters, and thermostats. Our pentagon anti-condensation heaters have been designed for use in switch and control gear cubicles, where a low wattage heater is required to prevent condensation. They comprise of a Pentagon vitreous enameled resistor mounted in a sheet steel case, and having a removable perforated sheet steel cover. There is a cable entry grommet at each end, and 4BA terminal screws are provided on the resistor. Our type H - horizontal mounting brackets are fixed firmly in position by tie-rods and fixing nuts, avoiding the possibility of the resistor rotating about its axis.