3/2-way valve (change-over valve), Viessmann, 7819877
Basic unit WH.., Vitoplus 300, basic unit WB...
Burner No.: 7147552, 7147553, 7147554, 7147555, 7147556, 7147557, 7147560, 7147561,
7147562, 7147563, 7147564, 7147565, 7147566, 7147567, 7147568, 7158049, 7158234,
7158235, 7159000, 7159001, 7159002, 7159003, 7159004, 7159006, 7159008, 7167063,
7167064, 7167065, 7167253, 7167254, 7169968, 7169969, 7170309, 7170310, 7170311,
7170312, 7170314, 7170315, 7170316, 7170317, 7170318, 7170319, 7170656, 7170658,
7173428, 7174019, 7174122, 7179669, 7179754, 7182289, 7182290, 7382500, 7382501,
7382502, 7382503, 7382504, 7382505, 7382520, 7382521, 7382522, 7382523, 7382524,
7382525, 7382530, 7382531, 7382532, 7382533, 7520633, 7520634, 7520635, 7520636,
7520680, 7520681, 7520682, 7520683, 7820683, 7520684, 7520685, 7520686, 7520690,
7520691, 7520692, 7520693, 7520694, 7520695
Manufacturer No.: 7819877