Conventional Control A thermostat switches the oversized load on and off within a band above and below its set point. Expansion and contraction of the heater caused by thermal cycling eventually leads to failure. The switching differential results in energy wastage particulary during flow conditions. The heater always operates at maximum power and temperature and the load delivered is higher than demand. |
Varioplex / Uniplex Conversely, Varioplex / Uniplex turns the heater up or down as the ambient temperature changes, precisely matching the heater output with heat losses. Heater life is extended as the heater is not cycling and usually operates below its rated output, also reducing maximum demand. Operating costs are dramatically reduced - energy wastage is eliminated as there is no switching differential. System safety is improved due to lower operating temperatures. |
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