WaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • D
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TECHNICAL CHARACTERISTICS
CASCADE : CALCULATION OF THE MAXIMUM LENGTH OF FLUE PIPES
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 and a cascade flue pipe kit.
Please contact your ACV representative
for the correct accessory.
Qty
Appliance type*
Maximum length in M.
Dn 150
Dn 150/200**
Dn 200
2
WM 25 - 35 - 45 - 70 - 85
30
30
30
WM 120
—
30
30
3
WM 25 - 35 - 45
30
30
30
WM 70
25
30
30
WM 85
26
30
30
WM 120
—
—
—
4
WM 25 - 35 - 45
30
30
30
WM 70
—
30
30
WM 85
—
30
30
WM 120
—
—
—
5
WM 25 - 35 - 45
30
30
30
WM 70
—
30
30
WM 85
—
6
30
WM 120
—
—
—
6
WM 25 - 35
30
30
30
WM 45
16
30
30
WM 70
—
—
30
WM 85
—
—
13
WM 120
—
—
—
* This table is for systems comprised of appliances with identical power. For any other configuration,
please refer to your ACV representative.
**Dn 150/200 : Hor. = 150 mm, Vert.=200 mm
WaterMaster 25 - 35 cascade in a C43 chimney connection configuration
Elbow type
150
200
L. Eq.
L. Eq.
45° [M]
1.7
3.8
90° [M]
4.0
5.8
WaterMaster cascade in a B23 chimney connection configuration