Main Dimensions - DeDietrich GT 220 A Operating Instructions Manual

3 Main Dimensions (less applied burner)
1
22
/16
1
4
/2
= =
1 Bolt Ø = 5 15/16 inch M8 x 1.25 Bolt diameter threading predrilled, additional
marking @ 6 ¾ inch for larger mounting requirements.
Combustion head Ø = 4 7/16 inch precut, additional marking @ 5 1/8 inch for larger
2
combustion heads.
Supply manifold ¾" port for safety relief valve
3
4 Supply manifold ¼ inch port for temperature and pressure gauge
5 Drain port ¾ inch.
A* = Dimension will increase with applied burner, consult supplied burner documentation for dimensions
and clearances for service/ combustibles.
D** = OD Dimension will for breeching connection only actual vent diameter sizing will depend on
specific vent application and code requirements.
(1) = Adjustable hot water tank feet for leveling, minimum height =1 3/16 inch, adjustable from 1 3/16 to 2 1/2 inch.
6
1
2
1
4
/2
Model A*
GT 224A 23 5/16 in.
GT 225A 28 5/16 in.
GT 226A 33 5/16 in.
GT 227A 38 5/16 in.
GT 228A 43 5/16 in.
7 7
2 4 A
/8 /16
heating
outlet
D Ø
13 /16
1
heating
return
D Ø
1
C
5
/8
9
5
/16
B = ø C
6 16 11/16 in.
6 21 11/16 in.
7 26 11/16 in.
7 31 11/16 in.
7 36 11/16 in.
B Ø
14
flue gas
7
8
/16
nozzle
1
3
6
6 /2
/16
=
D
1¼ in.
1 ¼ in.
1 ½ in.
1 ½ in.
1 ½ in.
7
9
/16
3
5
13
/8
4
5
=