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SKU: HA-P022 · Category: FLOW SENSORS

RHEEM EEMAX & ECOSMART Flow Sensor Assembly HA-P022

Genuine Rheem Flow Sensor·Precise Flow Detection

$66.14

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  • Free shipping — most items ship by the next day

Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.

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SKU: HA-P022 · Category: FLOW SENSORS
RHEEM EEMAX & ECOSMART Flow Sensor Assembly HA-P022
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.

RHEEM EEMAX & ECOSMART Flow Sensor Assembly HA-P022

Ensure your tankless water heater runs efficiently with the genuine Rheem Flow Sensor Assembly HA-P022. This essential replacement part (also known as FSA QC MEDLRG) accurately detects water flow to activate heating elements, delivering consistent hot water on demand while preventing cold water surprises.

Key Features & Benefits:

  • Precise Flow Detection: Monitors water flow rate to trigger the heater only when needed, optimizing energy use and performance.
  • Easy Installation: Quick-plug wiring and drop-in design — no special tools required for most compatible models.
  • Durable OEM Quality: Built to original specifications for reliable, long-lasting operation in demanding residential or light commercial applications.
  • Restores Performance: Ideal fix for common issues like no hot water, intermittent heating, or error codes (e.g., flow-related faults in Rheem, EcoSmart, or Eemax units).

Compatibility:

This flow sensor assembly is a direct replacement for multiple electric tankless water heater models, including:

  • Rheem and Richmond tankless units
  • Eemax HomeAdvantage series (HA018240, HA024240, HA027240, HA036240)
  • EcoSmart ECO 18, ECO 24, ECO 27, ECO 36
  • And other compatible iHeat/Drakken models

Keep your Rheem tankless water heater performing like new with this high-quality HA-P022 Flow Sensor Assembly. Perfect for DIY repairs or professional maintenance — restore reliable hot water today!

Always verify compatibility with your specific model before purchase.

Key features
  • Genuine Rheem Flow Sensor — HA-P022 (FSA QC MEDLRG) assembly
  • Precise Flow Detection — activates heating elements only when water flows
  • Optimizes Energy Use — no unnecessary heating
  • Consistent Hot Water — prevents cold-water surprises

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