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Mor Electric HeatingQuestions? 616-784-1121 Email Us8:00am-5:00pm M-F (Eastern Time)Distributor for 75 Manufacturers with Over 1,500 SKUs Typically in Stock for Same Day Shipping
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King Electric Industrial, Commercial and Residential Electric Heaters and Thermostats, Fans, Electric Heating Cables and Accessories

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Mor Electric Heating is one of the largest stocking distributors in the USA for King Electrical Mfg. Co. - Comfort Heating, Fans & Heating Cable. 

American Made Comfort Since 1958
Made in the USA smart heating solutions since 1958. We believe 60 years of experience matters. The premier North American manufacture of Industrial, Commercial and Residential Electric Heaters and Thermostats, Hydronic Heaters, Electric Heating Cables and Accessories– making us a one-stop solutions provider. We build smarter, more reliable and efficient electric heating products that offer an unparalleled user experience of temperature control, while reducing energy waste. Now That’s Smart!

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  1. MAU2010-1-ECM-SSR 208V Make Up Air Unit MAU2010-1-ECM-SSR 208V Make Up Air Unit
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    MAU2010-1-ECM-SSR 208V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 208 Volt - 10 kW - 34.1 BTU - 1 Phase - 48 Amps - 2 Element - 60 Amp Internal Circuit Breaker

    KINGELECTRIC33251

  2. MAU2010-3-ECM-SSR 208V Make Up Air Unit MAU2010-3-ECM-SSR 208V Make Up Air Unit
    save product
    MAU2010-3-ECM-SSR 208V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 208 Volt - 10 kW - 34.1 BTU - 3 Phase - 28 Amps - 2 Element - No Internal Circuit Breaker

    KINGELECTRIC33275

  3. MAU2010-3-ECM-SSR-DS63 King Electric MAU2010-3-ECM-SSR-DS63 King Electric
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    MAU2010-3-ECM-SSR-DS63 King Electric
    King Electric MAU 208V - 3-Phase - ECM Motor - SSR - 63Amp Disconnect - UPC Code: 093319138267

    KINGELECTRIC13826

  4. MAU2012-1-ECM-SSR 208V Make Up Air Unit MAU2012-1-ECM-SSR 208V Make Up Air Unit
    save product
    MAU2012-1-ECM-SSR 208V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 208 Volt - 12 kW - 41 BTU - 1 Phase - 58 Amps - 3 Element - 60 Amp Internal Circuit Breaker

    KINGELECTRIC33252

  5. MAU2015-1-ECM-SSR 208V Make Up Air Unit MAU2015-1-ECM-SSR 208V Make Up Air Unit
    save product
    MAU2015-1-ECM-SSR 208V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 208 Volt - 15 kW - 51.2 BTU - 1 Phase - 72 Amps - 3 Element - 60+60 Amp Internal Circuit Breaker

    KINGELECTRIC33253

  6. MAU2015-3-ECM-SSR 208V Make Up Air Unit MAU2015-3-ECM-SSR 208V Make Up Air Unit
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    MAU2015-3-ECM-SSR 208V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat -208 Volt - 15 kW - 51.2 BTU - 3 Phase - 42 Amps - 3 Element - No Internal Circuit Breaker

    KINGELECTRIC33276

  7. MAU2015-3-ECM-SSR-DS63 King Electric MAU2015-3-ECM-SSR-DS63 King Electric
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    MAU2015-3-ECM-SSR-DS63 King Electric
    King Electric MAU 208V 15Kw - 3-Phase - ECM Motor - SSR - 63Amp Disconnect - UPC Code: 093319144800

    KINGELECTRIC14480

  8. MAU2018-1-ECM-SSR 208V Make Up Air Unit MAU2018-1-ECM-SSR 208V Make Up Air Unit
    save product
    MAU2018-1-ECM-SSR 208V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 208 Volt - 17.3 kW - 58.9 BTU - 1 Phase - 83 Amps - 5 Element - 60+60 Amp Internal Circuit Breaker

    KINGELECTRIC33254

  9. MAU2020-3-ECM-SSR 208V Make Up Air Unit MAU2020-3-ECM-SSR 208V Make Up Air Unit
    save product
    MAU2020-3-ECM-SSR 208V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 208 Volt - 20 kW - 68.3 BTU - 3 Phase - 56 Amps - 4 Element - 60 Amp Internal Circuit Breaker

    KINGELECTRIC33277

  10. MAU2025-3-ECM-SSR 208V Make Up Air Unit MAU2025-3-ECM-SSR 208V Make Up Air Unit
    save product
    MAU2025-3-ECM-SSR 208V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 208 Volt - 25 kW - 85.3 BTU - 3 Phase - 69 Amps - 5 Element - 60+60 Amp Internal Circuit Breaker

    KINGELECTRIC33278

  11. MAU2030-3-ECM-SSR 208V Make Up Air Unit MAU2030-3-ECM-SSR 208V Make Up Air Unit
    save product
    MAU2030-3-ECM-SSR 208V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 208 Volt - 30 kW - 102.4 BTU - 3 Phase - 83 Amps - 6 Element - 60+60 Amp Internal Circuit Breaker

    KINGELECTRIC33279

  12. MAU2404-1-ECM-SSR 240V Make Up Air Unit MAU2404-1-ECM-SSR 240V Make Up Air Unit
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    MAU2404-1-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 4 kW - 13.7 BTU - 1 Phase - 17 Amps - 1 Element - No Internal Circuit Breaker

    KINGELECTRIC33255

  13. MAU2405-1-ECM-SSR 208V Make Up Air Unit MAU2405-1-ECM-SSR 208V Make Up Air Unit
    save product
    MAU2405-1-ECM-SSR 208V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 208 Volt - 5 kW - 17.2 BTU - 1 Phase - 21 Amps - 1 Element - No Internal Circuit Breaker

    KINGELECTRIC33256

  14. MAU2405-3-ECM-SSR 240V Make Up Air Unit MAU2405-3-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2405-3-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 5 kW - 17.1 BTU - 3 Phase - 12 Amps - 1 Element - No Internal Circuit Breaker

    KINGELECTRIC33280

  15. MAU2408-1-ECM-SSR 240V Make Up Air Unit MAU2408-1-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2408-1-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 8 kW - 27.3 BTU - 1 Phase - 33 Amps - 2 Element - No Internal Circuit Breaker

    KINGELECTRIC33257

  16. MAU2410-1-ECM-SSR 240V Make Up Air Unit MAU2410-1-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2410-1-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 10 kW - 34.1 BTU - 1 Phase - 42 Amps - 2 Element - No Internal Circuit Breaker

    KINGELECTRIC33258

  17. MAU2410-3-ECM-SSR 240V Make Up Air Unit MAU2410-3-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2410-3-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 10 kW - 34.1 BTU - 3 Phase - 24 Amps - 2 Element - No Internal Circuit Breaker

    KINGELECTRIC33281

  18. MAU2412-1-ECM-SSR 240V Make Up Air Unit MAU2412-1-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2412-1-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 12 kW - 41 BTU - 1 Phase - 50 Amps - 3 Element - 60 Amp Internal Circuit Breaker

    KINGELECTRIC33259

  19. MAU2415-1-ECM-SSR 240V Make Up Air Unit MAU2415-1-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2415-1-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 15 kW - 51.2 BTU - 1 Phase - 63 Amps - 3 Element - 60+60 Amp Internal Circuit Breaker

    KINGELECTRIC33260

  20. MAU2415-3-ECM-SSR 240V Make Up Air Unit MAU2415-3-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2415-3-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 15 kW - 51.2 BTU - 3 Phase - 36 Amps - 3 Element - No Internal Circuit Breaker

    KINGELECTRIC33282

  21. MAU2418-1-ECM-SSR 240V Make Up Air Unit MAU2418-1-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2418-1-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 17.3 kW - 58.9 BTU - 1 Phase - 72 Amps - 3 Element - 60+60 Amp Internal Circuit Breaker

    KINGELECTRIC33261

  22. MAU2420-1-ECM-SSR 240V Make Up Air Unit MAU2420-1-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2420-1-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 20 kW - 68.3 BTU - 1 Phase - 83 Amps - 4 Element - 60+60 Amp Internal Circuit Breaker

    KINGELECTRIC33262

  23. MAU2420-3-ECM-SSR 240V Make Up Air Unit MAU2420-3-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2420-3-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 20 kW - 68.3 BTU - 3 Phase - 48 Amps - 4 Element - 60 Amp Internal Circuit Breaker

    KINGELECTRIC33283

  24. MAU2425-3-ECM-SSR 240V Make Up Air Unit MAU2425-3-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2425-3-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 25 kW - 85.3 BTU - 3 Phase - 60 Amps - 5 Element - 60 Amp Internal Circuit Breaker

    KINGELECTRIC33284

  25. MAU2430-3-ECM-SSR 240V Make Up Air Unit MAU2430-3-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2430-3-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 30 kW - 102.4 BTU - 3 Phase - 72 Amps - 6 Element - 60+60 Amp Internal Circuit Breaker

    KINGELECTRIC33285

  26. MAU2435-3-ECM-SSR 240V Make Up Air Unit MAU2435-3-ECM-SSR 240V Make Up Air Unit
    save product
    MAU2435-3-ECM-SSR 240V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 240 Volt - 34.5 kW - 117.7 BTU - 3 Phase - 83 Amps - 6 Element - 60+60 Amp Internal Circuit Breaker

    KINGELECTRIC33286

  27. MAU4804-1-ECM-SSR 480V Make Up Air Unit MAU4804-1-ECM-SSR 480V Make Up Air Unit
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    MAU4804-1-ECM-SSR 480V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 480 Volt - 4 kW - 13.7 BTU - 1 Phase - 8 Amps - 1 Element - No Internal Circuit Breaker

    KINGELECTRIC33263

  28. MAU4805-1-ECM-SSR 480V Make Up Air Unit MAU4805-1-ECM-SSR 480V Make Up Air Unit
    save product
    MAU4805-1-ECM-SSR 480V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 480 Volt - 5 kW - 17.1 BTU - 1 Phase - 10 Amps - 1 Element - No Internal Circuit Breaker

    KINGELECTRIC33264

  29. MAU4805-3-ECM-SSR 480V Make Up Air Unit MAU4805-3-ECM-SSR 480V Make Up Air Unit
    save product
    MAU4805-3-ECM-SSR 480V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 480 Volt - 5 kW - 17.1 BTU - 3 Phase - 6 Amps - 1 Element - No Internal Circuit Breaker

    KINGELECTRIC33287

  30. MAU4808-1-ECM-SSR 480V Make Up Air Unit MAU4808-1-ECM-SSR 480V Make Up Air Unit
    save product
    MAU4808-1-ECM-SSR 480V Make Up Air Unit
    King Electric MAU ECM Series make up air unit - Proportional thermostat - Air filter/Filter Housing (Sold Separately) - 480 Volt - 8 kW - 27.3 BTU - 1 Phase - 17 Amps - 2 Element - No Internal Circuit Breaker

    KINGELECTRIC33265

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  1. $0.00 - $9,999.99 2496item
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  2. 11.5 Inch 7item
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  6. 3.125 Inch 95item
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  11. 4.5625 Inch 2item
  12. 5.3125 Inch 22item
  13. 8 Inch 12item
  14. 6.4 Inch 7item
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  16. 20 Inch 51item
  17. 3.8125 Inch 7item
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