16
Flow GPM
(lpm)
Pressure Drop
Ft. of Head (m of Head)
207A 267A 337A 407A
20 (75) 4.0 (1.2)
25 (95) 4.0 (1.2) 4.6 (1.4)
30 (113) 4.0 (1.2) 5.2 (1.6)
35(132) 4.0 (1.2) 5.8 (1.8) 5.2 (1.6)
40 (151) 4.6 (1.4) 5.8 (1.8) 5.2 (1.6) 5.2 (1.6)
50 (189) 4.6 (1.4) 6.3 (1.9) 6.9 (2.1) 6.9 (2.1)
60 (227) 4.6 (1.4) 6.9 (2.1) 6.9 (2.1) 6.9 (2.1)
70 (265) 4.6 (1.4) 8.1 (2.5) 9.2 (2.8) 9.2 (2.8)
80 (303) 4.6 (1.4) 9.2 (2.8) 9.8 (3.0) 9.8 (3.0)
90 (340) 6.9 (2.1) 10.4 (3.2) 10.4 (3.2) 10.4 (3.2)
100 (378) 8.1 (2.5) 11.0 (3.4) 12.1 (3.7) 12.1 (3.7)
110 (416) 10.4 (3.2) 11.5 (3.5) 13.3 (4.0) 13.3 (4.0)
120 (454) 11.0 (3.4) 12.7 (3.9) 17.9 (5.4) 17.9 (5.4)
125 (473) 11.5 (3.5) 13.8 (4.2) 20.2 (6.2) 20.2 (6.2)
Table K. Polymer Heat Exchanger Pressure Drop -
Residential Models
Flow GPM
(lpm)
Pressure Drop
Ft. of Head (m of Head)
207A 267A 337A 407A
20 (75) TBD
30 (113) TBD TBD
40 (151) TBD TBD TBD TBD
50 (189) TBD TBD TBD TBD
60 (227) TBD TBD TBD TBD
70 (265) TBD TBD TBD TBD
80 (303) TBD TBD TBD TBD
90 (340) TBD TBD TBD TBD
100 (378) TBD TBD TBD TBD
Table L. Brass Heat Exchanger Pressure Drop - ASME
Models
NOTE: Table capacity is based on Schedule 40 black
iron pipe. For capacity using other material, consult
local codes.
F10641
O-RING
HEADER FLANGE
(CPVC)
HEADER FLANGE NUT
(CPVC)
PROTEK
SHIELD
ASSY
PLUMBING
Figure 18. Inlet/Outlet Header – Polymer
High temperature CPVC header anges and header
ange nuts are provided. If there is any possibility of back-
siphoning when the pump stops, it is suggested that a
check valve (or valves) also be installed in the system.
Brass Headers (ASME Models)
Heater must be located so that any water leaks will not
damage the structure of adjacent area. Before attaching
the ProTek Shield Adapter to the inlet connection and the
2-inch unions, make sure the O-rings are properly seated
in the grooves. Use Aqualube or equivalent non-petroleum-
based lubricant on the O-ring. Hand tighten the unions.
Glue PVC piping directly to the unions.
HEADER
HEADER FLANGE
(CPVC)
HEADER FLANGE NUT
(CPVC)
PLUMBING
PROTEK SHIELD
ASSEMBLY
Figure 19. Inlet/Outlet Header – Brass
NOTE: Some jurisdictions require the addition of a ow
switch on ASME installations. Kit # TBD can be ordered
that will allow a standard ASME unit to comply with the
code requirements.
ProTek Shield Assembly
This heater is equipped with a ProTek Shield Assembly
(located under the inlet connection on polymer headers)
and in the ProTek Shield Adapter assembly shipped loose
in the accessory carton for eld installation on brass ASME
headers.
Polymer Headers (Residential Models)
Before attaching the 2-inch unions to the inlet/outlet
header, make sure the O-rings are properly seated in
the grooves. Use Aqualube or equivalent non-petroleum-
based lubricant on the O-ring. Hand tighten the unions.
Glue PVC piping directly to the unions.
6000.592_PoolSpa_LoNOx.indd 16 10/21/2019 2:23:49 PM
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