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The TUTCO 81-0856-00 is a single-phase electric heat kit rated at 10 kilowatts (kW) and designed for forced-air HVAC systems. It operates on 208/240 volts and draws 34.7 amps at 208V or 40.0 amps at 240V. The heat kit functions as an auxiliary or supplemental electric resistance heating element installed within an air handler or furnace cabinet. Licensed HVAC technicians install this component as part of a complete heating or heat pump system where additional heat capacity is needed.
This heat kit is suited for residential and light commercial applications where supplemental electric heat is added to an existing air handler or heat pump system. It is used in installations requiring a factory-compatible drop-in replacement that meets the original equipment electrical ratings. Bosch OEM reference number EHK10A and Ameristar OEM reference number MAYHTR1A10LUGA apply to this unit. Additional sizes in this product family include 5 kW and 8 kW options.
Compatible as an OEM-referenced replacement corresponding to Bosch EHK10A and Ameristar MAYHTR1A10LUGA. Designed for use in compatible air handler and heat pump systems requiring a 10 kW, 208/240V single-phase electric heat kit.
Installation must be performed by a licensed HVAC technician in accordance with NEC requirements and local electrical codes. Disconnect and lock out all power to the air handler before handling or installing the heat kit. Verify that the branch circuit breaker and wiring are rated for the full load amperage at the supply voltage being used. Do not energize the heat kit without confirming proper airflow is established through the system.
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