TUTCO DUCT
E-Series Round Duct Heaters
TUTCO E-Series Round Duct Heaters (EPH), which offer the widest range of KW options in the marketplace, are ideal for use with heat pumps, air conditioners, or other forced air HVAC systems. Our round Series Duct Heaters are pre-wired with customer specified integrated control boxes and available in both single phase and three phase solutions up to 480V. They are controlled by contactors, relays, sequencers or solid state devices. These are available in 6″, 8″, 10″ and 12″ diameters.
All TUTCO Round Series Duct Heaters are UL 1996 Listed with UL and ETL for US and Canada.


FEATURES AND BENEFITS
- Zero Clearance Approved Flex duct can be mounted directly to unit (250°F / 121°C rated), no transition or extra metal duct required
- Factory installed airflow switch and probe
- No need to specify right or left airflow.
- Superior design allows for operation in either direction.
- Widest range of KW offering in the marketplace
- Single Point Power Connection Designed for up to 100°F / 37.8°C inlet air
- UL Listed product for the US and Canadian market
APPLICATIONS
Ideal for commercial and residential applications.
- Primary Heating
- Secondary Heating
- Space Heating
- Auxiliary Heating
- Reheating / Recirculating Air

TUTCO
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Frequently Asked Questions
E-Series Round Duct Heaters are available in single- and three-phase configurations and can be supplied with customer-specified integrated controls. Depending on the application, heaters can be controlled using contactors, relays, sequencers, or solid-state devices. Additional options include custom staging, disconnecting contactors, derated coils, gasketed covers, stainless steel construction, and compatible room thermostats.
No. The E-Series Round Duct Heater is designed to operate with airflow in either direction, so there is no need to specify right- or left-hand airflow when ordering. This provides greater installation flexibility and can simplify heater selection for HVAC contractors and system designers.
Yes. TUTCO E-Series Round Duct Heaters are approved for zero-clearance installation with properly rated flexible duct. Flex duct rated for 250°F (121°C) can be mounted directly to the heater, eliminating the need for an additional transition or section of metal ductwork.
Yes. E-Series Round Duct Heaters are well suited for use with heat pumps and can provide supplemental or auxiliary electric heat when additional heating capacity is required. They can also be integrated with air conditioners and other forced-air HVAC systems.
A round electric duct heater is installed directly into round HVAC ductwork to heat air as it passes through the system. TUTCO E-Series Round Duct Heaters can provide primary, secondary, auxiliary, or supplemental heat and can also be used for reheating and recirculating air in commercial and residential HVAC systems.







