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{{TotalStartUpWatts}} Watts
Estimated StartUp Power Required
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Estimated Continuous Power Required
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Total System Power Required

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Safety factor is a subjective field to compensate for unknown heat losses or system inefficiency. Excess safety margin can drive up the overall cost of the system, while too low a value may limit system performance or cause inadequate thermal transfer. Click on Help below for specific Safety Factor recommendations.

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IMPORTANT: This Wattage Calculator is to assist you in understanding the power needs of electric thermal systems and components as they apply to various heating tasks. This Wattage Calculator is not a substitute for specific information related to complex and/or critical applications. When designing any thermal system, caution must always be exercised to comply with safety requirements, local and/or national electrical codes, agency standards, considerations for use in toxic or explosive environments and sound engineering practices. Integrity and suitability of any thermal system design/specification is ultimately the responsibility of those selecting and approving system components. If you require assistance with your calculations, please contact your local Watlow sales office or authorized distributor.