Modine Effinity PTC 55,000 BTU LP High Efficiency Condensing Propeller Unit Heater - Aluminized Steel Heat Exchanger



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PTC55AS0111 / 66897



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Operating at up to 97% thermal efficiency, Modine’s Effinity™ condensing unit heater features the highest efficiency available in North America for commercial and industrial gas-fired unit heaters, which will dramatically lower energy costs and CO2 emissions. This industry-leading efficiency is a result of the coupling of our secondary heat exchanger technology with our robust tubular primary heat exchanger design. The Effinity™ guards against mold and maintains uniform wall-to-wall temperatures with consistent air circulation. All units are equipped with Building Management System (BMS) integration capabilities, allowing them to be added to existing BMS easily.


  • Commercial and industrial grade condensing unit heater
  • Separated combustion capabilities vents combustion fumes outside of building
  • 55,000 BTU output
  • Low-profile design
  • Corrosion-resistant baked-on polyester coating
  • Utilizes propane for combustion (Natural gas version also available)
  • Durable aluminized steel heat exchanger with high temperature transfer and strong corrosion resistance
  • Building Management System integration capabilities allow these units to be added easily to any existing system
  • Built-in Energy Saver Controls to shut-off heater at high temperatures and re-engage when the temperatures drop
  • Comes with Contractor Convenience Package - Includes condensate pump convenience outlet, unit on/off switch, heater function status indicator lights, and external terminals for thermostat wiring
  • One Effinity™ alone lowers CO2 output by thousands of pounds annually
  • 2 year parts and 10 year heat exchanger warranty when installed by professional
  • Please note that Modine requires the installation to be done by a professional installer

Product Specifications

More Information
Modine Effinity PTC 55,000 BTU LP High Efficiency Condensing Propeller Unit Heater - Aluminized Steel Heat Exchanger
SKUPTC55AS0111 / 66897
Additional InformationAir Throw: 43 Feet
Heating BTU55,000 BTU
Maximum CFM1097
Venting TypeSeparated Combustion | High Efficiency Condensing
Flue Outlet3"
Electrical115 Volt 1 Phase 60 Hertz
MaterialAluminized Steel Heat Exchanger
Fuel TypePropane
Warranty10 year heat exchanger, 2 year parts
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING


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Questions and Answers

Customer Questions
Como conetar al termostato?
Todas las conexiones eléctricas de suministro de energía se realizan en el empalme compartimiento de la caja de la unidad. La baja tensión (termostato y dispositivos de control de accesorios) se pueden conectar a los terminales en el caja de conexiones.
Wiring diagram for the thermostat?
If you are looking for information regarding the thermostat, please refer to the install manual of your thermostat. This item is a unit heater. If you need more info on your unit heater, please refer to the Install and Service Manual. If you have any further questions, please call us and we will be happy to assist you.
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