DHW warm
out
= hot water outlet 15 mm dia.
DHW cold in = cold water inlet 15 mm dia.
GAS = gas connection R½ (800 - 24T25H/29T25H)
CH return = boiler return line 28 mm dia.
CH flow = boiler flow line 28 mm dia.
CWDO = condensate water drain 32 mm dia.
Minimum side clearance required for all boilers is 100 mm (4")