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svf
series
725/850
Install Condensate Components
Condensate Trap Installation
WARNING
!
The condensate trap must be in a vertical
orientation and not wedged against the ground
or any other object. If the trap is installed
incorrectly, flue gas could leave through the
condensate drain, which can result in severe
personal injury or death.
1
Slide the end of the plastic condensate trap onto
the drain on the back side of the boiler
2
Tighten a hose clamp to secure the condensate trap
to the drain pipe
3
Secure the condensate bracket to the boiler base
4
Slide the PVC tee through the bracket
5
Ensure the second hose clamp is loosely installed
over the right side of the trap Slide the trap over
the tee and up to the bracket Slide the hose
clamp up to the bracket and tighten
Condensate Line Connection
1
Use 3/4" PVC or CPVC pipe to route condensate
to a drain or condensate pump
2
If installing a condensate pump, select one
approved for use with condensing boilers and
furnaces. The pump should have an over-flow
switch to prevent property damage from spillage
Provide an external power source for the pump
3
Minimum recommended condensate pump
capacity in gallons per hour per boiler:
• SVF 725, 15 GPH
• SVF 850, 25 GPH
4
When sizing condensate pumps, make sure to
include the total load of all SVF boilers connected
NOTICE
The condensate line must remain unobstructed,
allowing free flow of condensate. If condensate
freezes or the line is obstructed, condensate can
back up into the boiler, leading to boiler lockout.
IMPORTANT
Condensate from the boiler will be slightly acidic, typically
3.2 to 4.5 pH. Install a neutralizing filter if required by
local codes. See the Parts section starting on page 111
for a Weil-McLain condensate neutralizer kit.
550-100-290/0124
boiler manual
1
Figure 42 Condensate trap assembly components
1
3
2
4
1 Condensate Line Panel
2 #10 Torx Screw
3 3/4" Grommet
4 Hose Clamp
Figure 43 Condensate trap assembly, installed
Condensate
Trap Assembly
NOTICE
Use materials approved by the authority having
jurisdiction. In the absence of other authority, PVC
and CPVC pipe must comply with ASTM D1785,
F441, or D2665. Cement and primer must comply
with ASTM D2564 or F493. For Canada, use CSA
or ULC certified PVC or CPVC pipe, fittings, and
cement.
insTallaTion
7
6
2
4
5
220047
5 Condensate Trap
6 Condensate Bracket
7 1/2" PVC Tee
220048
1
2
3
4
5
6
7
8
55
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