ID: 4605385_1304_04
Pos. Designation Part no.
uP
Heating circuit for DHW heating
uQ
Extension kit for DHW heating 7301 062
uW
Cylinder temperature sensor STS
and
Stainless steel sensor well (not required for Vitocell DHW cylinders)
7438 702
7819 693
uE
Circulation pump for cylinder heating UPSB As per Viessmann pricelist
uR
2-way valve for restricting the flow rate As per Viessmann pricelist
uT
Return temperature sensor RSTS Standard delivery pos. 71
uZ
Contactor relay K2 7814 681
Accessories
uU
Vitotrol 200A Z008 341
uI
Vitotrol 300A (max. one Vitotrol 300A per Ecotronic) Z008 342
Application examples
(cont.)
PYROMAT ECO
57
5822 546 GB
8