Viessmann 7826214 O-Ring Set - Heat Exchanger 21 x 3mm (Pack of 5) BNIP Genuine

Part Number: 7826214. Fits the following Viessmann boilers Genuine Viessmann spare part. 7248320 Vitodens 100-W WB1A 13kW Heat Only Boiler. 7248586 Vitodens 100-W WB1A 24kW Heat Only Boiler. 7248587 Vitodens 100-W WB1A 18kW Heat Only Boiler.

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