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The Isolator Hi Probe is a protective housing engineered for the stainless steel water probe rods on Mr.Steam Commercial CU model steam bath generators, models CU360 through CU1400. By shielding the probes from splash and turbulence during active boiling, this isolator allows the water level sensing system to function with greater precision, supporting accurate, reliable water fill operation. Precise water sensing is essential in commercial steam room operation, where improper level detection can disrupt fill cycles and affect heating element performance. Over time, this isolator naturally accumulates lime and mineral scale from continuous exposure to boiling water, so periodic cleaning during scheduled preventative maintenance helps preserve accurate probe function. As a genuine Mr.Steam replacement part, it restores proper isolation and sensing accuracy after buildup or wear, helping facility operators maintain consistent, code-compliant water management across daily high-volume use.

  • Precision Water Sensing Support – Shields the stainless steel water probe rods from splash and turbulence, improving sensing accuracy during boiling.
  • Required for CU360–CU1400 Models – Engineered specifically for correct water fill operation on this range of Commercial CU generators.
  • Maintenance Awareness – Naturally accumulates lime scale over time; periodic cleaning during preventative maintenance helps preserve sensing accuracy.
  • Genuine OEM Fit – Designed specifically for Mr.Steam commercial water level sensing assemblies.
  • MPN: 100378
  • UPC: 767931700309
  • Compatibility: Mr.Steam Commercial CU-series steam bath generators, CU360–CU1400
  • Part Type: Probe Isolator
  • What's Included: (1) Probe Isolator
  • Weight: 1 lb
  • Country of Origin: United States
  • Warranty: Not specified
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Isolator, Hi Probe | Mr. Steam

SKU: MRS-100378
Regular price $124.00
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The Isolator Hi Probe is a protective housing engineered for the stainless steel water probe rods on Mr.Steam Commercial CU model steam bath generators, models CU360 through CU1400. By shielding the probes from splash and turbulence during active boiling, this isolator allows the water level sensing system to function with greater precision, supporting accurate, reliable water fill operation. Precise water sensing is essential in commercial steam room operation, where improper level detection can disrupt fill cycles and affect heating element performance. Over time, this isolator naturally accumulates lime and mineral scale from continuous exposure to boiling water, so periodic cleaning during scheduled preventative maintenance helps preserve accurate probe function. As a genuine Mr.Steam replacement part, it restores proper isolation and sensing accuracy after buildup or wear, helping facility operators maintain consistent, code-compliant water management across daily high-volume use.

  • Precision Water Sensing Support – Shields the stainless steel water probe rods from splash and turbulence, improving sensing accuracy during boiling.
  • Required for CU360–CU1400 Models – Engineered specifically for correct water fill operation on this range of Commercial CU generators.
  • Maintenance Awareness – Naturally accumulates lime scale over time; periodic cleaning during preventative maintenance helps preserve sensing accuracy.
  • Genuine OEM Fit – Designed specifically for Mr.Steam commercial water level sensing assemblies.
  • MPN: 100378
  • UPC: 767931700309
  • Compatibility: Mr.Steam Commercial CU-series steam bath generators, CU360–CU1400
  • Part Type: Probe Isolator
  • What's Included: (1) Probe Isolator
  • Weight: 1 lb
  • Country of Origin: United States
  • Warranty: Not specified