HeatMaster 25 C: A1003474 - 664Y7000 • B
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TECHNICAL CHARACTERISTICS
CASCADE : CALCULATION OF THE MAXIMUM LENGTH OF FLUE PIPES
Qty
Appliance type
Maximum length in M.
Dn 150
2 to 6
HM 25 C
30
This table is for systems comprised of identical boilers. For any other configuration, please refer to your
ACV representative.
HeatMaster 25 C cascade in a C43 chimney connection configuration
HeatMaster 25 C cascade in a B23 chimney connection configuration
Elbow type
150
L. Eq.
45° [M]
1.7
90° [M]
4.0
Make sure to install an external non-return valve on the flue connection. Please contact
your ACV representative for the correct accessory.
Make sure to install an external non-
return valve on the flue connection and
a cascade flue pipe kit. Please contact
your ACV representative for the correct
accessory.
