Install Instructions

6
5602 876 v1.1
Low-Loss Header Installation
Installation
Dimensions (Type 80/60)
Low-loss header dimensions
Overall depth 2¼” (60 mm)
Overall width 10c” (274 mm)
Overall height 23” (586 mm)
Please note that the pipe connections on the system side
are at a closer distance from each other than those on the
boiler side.
Legend
A Sensor well, 150 mm
B Air bleed plug (c/w O-ring)
C Boiler supply
D System supply
E System return
F Boiler return
G ½” drain plug
If the standard low loss header insulation is being installed,
add extra clearance between the back of the low loss
header and the finished wall [1½” (38 mm) for Type 80/60].
Insulation dimensions
Overall depth 5d” (135 mm)
Overall width 6” (155 mm)
Overall height 22f” (575 mm)
IMPORTANT
IMPORTANT
Low-loss header information
Model Type 80/60
Low-loss header *
Vitodens 100/200)
Connector size (NPT) inches 1¼
Distance between boiler inches
supply/return mm
14
360
Distance between system inches
supply/return mm
11
280
Matching insulation box Included
Additional clearance with inches
installed insulation mm
2f
68
* Please note that the temperature sensor for Vitodens 200,
WB2A/B must be purchased separately. See price list.