| Compatible Models | : | B2HA, B2HB, CU3A |
| For Use With | : | B2HA, B2HB and CU3A Boilers |
| Function Type | : | Extension Module |
| Product Type | : | Extension Module |
VIESSMANN® Replacement Extension Module, For Use With: B2HA, B2HB and CU3A Boilers
| Compatible Models | : | B2HA, B2HB, CU3A |
| For Use With | : | B2HA, B2HB and CU3A Boilers |
| Function Type | : | Extension Module |
| Product Type | : | Extension Module |
VIESSMANN® Replacement Extension Module, For Use With: B2HA, B2HB and CU3A Boilers
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