Owner's manual

Lynx
26
Table 2. Recommended pump models for domestic hot water tank piping.
Figure 19. Boiler water side pressure drop
0
0
2
4
6
8
10
12
14
2
4
6
8
10
Head
(feet w.c.)
Flow Rate (GPM)
1
5
LX
-1
5
0
L
X
-
9
0
L
X
-
1
2
0
Notes:
* This is the minimum flow rate recommended for the boiler.
** Domestic water tank piping head is based on 1” inside diameter piping and full port valves.
*** Refer to the DHW Tank Manufacturer’s water flow rate requirements and associated pressure drop head loss, to select
the appropriate circulator.
▲ Or Grundfos UPS 26-99F.
Boiler
Model
No.
Flow
Rate
(gpm)
Temp
Rise
(˚F)
Boiler
Head
Loss
(Feet w.c.)
Domestic
Water
Tank Piping
Head Loss **
(Feet w.c.)
Available Head Capability Left for Various
Model Circulators to Overcome DHW Tank
Head Loss (Feet w.c.) ***
Taco 0014
Taco 0011
▲
Taco 0013
8.1 20 8.2 2.5 7.3 14.1 17.5
6.5 25 5.4 2.2 10.9 18.2 22.2
5.4 30 3.5 2.0 14.0 21.3 25.2
4.0* 40 2.1 1.5 16.4 23.9 28.2
10.8 20 9.5 3.0 4.5 11.4 13.4
8.6 25 6.6 2.7 8.5 14.8 18.7
7.2 30 4.2 2.5 11.5 18.3 22.2
5.4* 40 2.5 1.5 15.5 23.0 27.0
13.5 20 9.0 3.5 2.7 7.5 11.5
10.8 25 6.0 3.0 8.0 13.5 17.5
9.0 30 4.2 2.5 11.0 17.0 20.5
6.8* 40 2.5 2.0 14.0 21.5 24.5
LX-90LX-120LX-150