36
1 = Water supply connection (2”)
2 = Water return connection (2”)
3 = Air intake connection (4”)
6 - INSTALLATION - Mounting the heater
Figure 6-7 Dimensions for models 399 and 500.
1 = Water supply connection (1” 1/2)
2 = Water return connection (1” 1/2)
3 = Air intake connection (3”)
Figure 6-6 Dimensions for models 199
4 = Flue exhaust connection (3”)
5 = Gas connection (1”)
6 = Condensate hose
4 = Flue exhaust connection (4”)
5 = Gas connection (1”)
6 = Condensate hose