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3. TECHNICAL SPECIFICATIONS
3.1. Dimensions
MODELS
Dorchester
DR-SG XX-210
Dorchester
DR-SG XX-356
Dorchester
DR-SG XX-538
20
25
30
35
50
60
70
80 100 120
1 Hot water outlet
Rp 1"1/2
Rp 1"1/2
Rp 1"1/2
2 Secondary return
Rp 1"1/2
Rp 1"1/2
Rp 1"1/2
3 Cold water inlet
Rp 1"1/2
Rp 1"1/2
Rp 1"1/2
4
T&P valve (UK only)
Rp 1"
Rp 1" 1/4
Rp 1" 1/2
5 Gas inlet
R 3/4"
R 3/4"
R 1"
6 Air inlet
Ø 80
Ø 100
Ø 130
7 Fume outlet
Ø 80
Ø 100
Ø 130
DORCHESTER DR-SG
XX-210
DORCHESTER DR-SG
XX-356
6
5 1
4
2
3
7
6
5
1
4
2
3
7
Page 12 / 104
00U07337760-A
DORCHESTER DR-SG -
Installation, Operation and Maintenance