Lochinvar 401-751 User Manual

Page of 3
 
 
 
 
 
PUMP RECOMMENDATION FOR 
COPPER-FIN II 401-751 POOL HEATER 
 
Pump Specifications 
Part No. 
HorsePower 
Flanges 
Valute Material 
Flange Material 
Vendor 
Vendor Product Series 
Orientation 
ARM3044PABTE 1/4 
2" 
Bronze 
Bronze Armstrong 
LS45 
Horizontal 
 
Installation Specifications 
  
Recommended for 
Based on 
      Pump 
Model Numbers 
Maximum GPM 
Installation Type 
  
Copper-Fin II Pool Htr, CP(N,L) 401-751 
55 GPM 
Single Pool Heater piped Primary/Secondary to Pool Loop 
ARM3044PABTE 
Based on 
Based on 
  
  
Minimum Pipe Diameter 
Connecting piping 
  
  
2" 
Maximum 45 feet straight pipe with 6-Elbows, 2-Unions and 2-Ball Valves 
IMPORTANT: Read the Copper-fin II 500-2070 Pool Installation and Operation Manual.  If the planned 
system exceeds the pump capacity in flow and/or head see “Pump Curves-All Pumps” for alternate pumps 
and pump curves.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PUMP 
Recommendation 
PUMP-Rec-08 Rev C 
 
OIL PORT
A
C
B
D
10” 
15-3/4” 
12-1/2” 
0
10
20
30
40
50
60
70
5
10
15
20
80
90
100
110
LS-45
TO
TA
L HEAD IN 
FEET
CAPACITY IN U.S. GALLONS PER MINUTE