PDS: Same construction with an additional outer stainless steel shield, which cover spring mechanism and vertical channel guides.
PDH: Same construction with the addition of a base mounted heating element a side mounted thermostat, pilot light and on/off switch located in the top flange, a 6′ 120V NEMA 5-15P cordset.
Self-Leveling: The spring mechanism is easy to adjust a combination of extension springs will be provided for field adjusting to the required dispensing height.