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Espar / Eberspacher HS3 Hydronic heater O ring

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$12.99
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Espar / Eberspacher HS3 Hydronic heater O ring

O ring replacement for third generation water heaters. Recommended to be replaced after every servicing.

Part numbers:

  • 221000700019
  • 22.1000.70.0019 / 22.1000.70.00.19
  • 22 1000 70 0019 / 22 1000 70 00 19

Suitable for the below water heater models:

  • B5WS 12v
  • B4WS 12v
  • B5S 12v
  • B4WS 12v
  • D5WS 12 and 24v
  • D5S 12v
  • D5E 12v
  • B5E 12v
  • D4E 12v