SIRIUS TWO WH90 V2 SYSTEM NG / EXPLODED VIEW (Page 8)

POTTERTON 5141439 WATER PRESSURE GAUGE

Part No: 1128373 MPN: 5141439

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POTTERTON 5132182 FLANGE BURNER GASKET

Part No: 1126600 MPN: 5132182

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POTTERTON 5132190 FLAME INSPECTION

Part No: 1126607 MPN: 5132190

Sorry, this part is now obsolete