Instruction manual

35
Figure 17A: Schematic Tankless Heater Piping
TABLE 2A: TANKLESS HEATER DATA:
Rear Mounted Heater on Steam and Water Boilers
TABLE 2B: TANKLESS HEATER DATA:
Front Mounted Heater on Water Boilers
Boiler
Model
Heater
No.
Heater Rating
(GPM)
Pressure Drop
thru Heater
(PSI)
Steam Water Steam Water
V8H3 V1-2 2.75 3 3.9 4.7
V8H4 V1-2 3 3.25 4.7 5.6
V8H5 V1-2 3.25 3.5 5.6 6.4
V8H6 V1-2 3.75 3.75 7.2 7.2
V8H7 V1-2 3.75 4 7.2 8
V8H8 V1-2 4 4.5 8 9.8
V8H9 V1-2 4 4.5 8 9.8
Boiler
Model
Heater
No.
Heater Rating
(GPM)
Pressure Drop
thru Heater
(PSI)
V8H3 222A 3 22
V8H4 222A 3.5 22
V8H5 222A 4 30.5
V8H6 222A 4.5 33
V8H7
222A 4.6 33
A54 5.5 36
V8H8
222A 4.75 40
A54 6 39.5
V8H9
222A 4.75 40
A54 6 39.5
SECTION VII: TANKLESS AND INDIRECT WATER HEATER PIPING (cont'd)