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The Mr.Steam Commercial 18KW 208V 1PH Heating Element is a heavy-duty replacement component engineered for Commercial CU-series steam bath generators running on 208-volt single-phase power. As the core heat source inside the pressure vessel, this element boils tank water to build the pressure and volume needed for continuous steam delivery in high-traffic commercial environments like health clubs, hotels, and day spas. Its 18KW rating supports the higher steam demands of larger commercial installations, working alongside companion elements where a generator's total output requires more than one unit. Built to withstand ongoing exposure to heat, moisture, and mineral buildup, this element is constructed for dependable, long-term performance under continuous-duty conditions. Sized and rated to match factory specifications, it installs as a direct replacement without adapters, restoring full heating capacity and helping facility operators avoid the downtime that comes with a failed or calcified element.

  • 18KW Commercial Output – Delivers the higher heating capacity required by large-scale Commercial CU-series generators, supporting reliable steam production for high-traffic facilities.
  • 208V Single-Phase Compatibility – Matches 208VAC 1PH electrical configurations, ensuring correct fit and safe operation without rewiring or phase conversion.
  • Direct OEM Replacement – Sized to factory specification for a drop-in fit, avoiding adapters or modifications during service calls.
  • Continuous-Duty Construction – Built to withstand sustained heat, humidity, and mineral exposure common in commercial steam operation, supporting long service intervals.
  • Wear-Item Awareness – As a heating element subject to calcification and lime buildup over time, keeping a spare on hand helps facilities minimize downtime during routine maintenance.
  • MPN: 39181B
  • Compatibility: Mr.Steam Commercial CU-series steam bath generators requiring an 18KW element at 208VAC single-phase
  • Part Type: Heating Element
  • What's Included: (1) Heating Element
  • Wattage: 18 kW
  • Voltage; Phase: 208V; 1PH
  • Weight: 5 lb
  • Country of Origin: Canada
  • Warranty: Not specified
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18KW 208V 1PH Heating Element | Mr. Steam

SKU: MRS-39181B
Regular price $839.00
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The Mr.Steam Commercial 18KW 208V 1PH Heating Element is a heavy-duty replacement component engineered for Commercial CU-series steam bath generators running on 208-volt single-phase power. As the core heat source inside the pressure vessel, this element boils tank water to build the pressure and volume needed for continuous steam delivery in high-traffic commercial environments like health clubs, hotels, and day spas. Its 18KW rating supports the higher steam demands of larger commercial installations, working alongside companion elements where a generator's total output requires more than one unit. Built to withstand ongoing exposure to heat, moisture, and mineral buildup, this element is constructed for dependable, long-term performance under continuous-duty conditions. Sized and rated to match factory specifications, it installs as a direct replacement without adapters, restoring full heating capacity and helping facility operators avoid the downtime that comes with a failed or calcified element.

  • 18KW Commercial Output – Delivers the higher heating capacity required by large-scale Commercial CU-series generators, supporting reliable steam production for high-traffic facilities.
  • 208V Single-Phase Compatibility – Matches 208VAC 1PH electrical configurations, ensuring correct fit and safe operation without rewiring or phase conversion.
  • Direct OEM Replacement – Sized to factory specification for a drop-in fit, avoiding adapters or modifications during service calls.
  • Continuous-Duty Construction – Built to withstand sustained heat, humidity, and mineral exposure common in commercial steam operation, supporting long service intervals.
  • Wear-Item Awareness – As a heating element subject to calcification and lime buildup over time, keeping a spare on hand helps facilities minimize downtime during routine maintenance.
  • MPN: 39181B
  • Compatibility: Mr.Steam Commercial CU-series steam bath generators requiring an 18KW element at 208VAC single-phase
  • Part Type: Heating Element
  • What's Included: (1) Heating Element
  • Wattage: 18 kW
  • Voltage; Phase: 208V; 1PH
  • Weight: 5 lb
  • Country of Origin: Canada
  • Warranty: Not specified