Lochinvar SNA285-125 Manuale Utente

1.  This water heater is a high efficiency appliance that 

produces condensate.

2.  Slope condensate tubing down and away from the 

water heater into a drain or condensate neutralizing 
filter.  Condensate from the Shield water heater will be 
slightly acidic (typically with a pH from 3 to 5).  Install a 
neutralizing filter if required by local codes.

 

A  Neutralizer  Kit  is  available  from  the  factory               
(KIT3087).

Note:  The Neutralizer Kit MUST BE installed horizontally.

3.  Leave the top of the 1/2 inch tee OPEN (FIG. 8-1).  This 

is needed as a vacuum break.

4.  Do not expose condensate line to freezing temperatures.

Use materials approved by the authority 
having jurisdiction.  In the absence of 
other authority, PVC and CPVC pipe 
must comply with ASTM D1785 or 
D2845.  Cement and primer must comply 
with ASME D2564 or F493.  For Canada 
use CSA or ULC certified PVC or CPVC 
pipe, fittings, and cement.

5.  A condensate removal pump is required if the water heater 

is below the drain.  When installing a condensate pump, 
select one approved for use with condensing water heaters 
and furnaces.  The pump should have an overflow switch 
to prevent property damage from condensate spillage.  The 
switch should be wired to the auxiliary device proving 
switch terminals on the low voltage connection board.

To allow for proper drainage on large 
horizontal runs, a second line vent may 
be required and tubing size may need to 
increase to 1 inch.

The condensate line must remain 
unobstructed, allowing free flow of 
condensate.  If condensate is allowed to 
freeze in the line or if the line is obstructed 
in any other manner, condensate can exit 
from the water heater tee, resulting in 
potential water damage to property.

1/2” (12.7 mm) PVC TEE ASSEMBLY

(FACTORY SUPPLIED)

FLOOR DRAIN OR

DRAIN PAN

NEUTRALIZER KIT

Note:  The Neutralizer Kit MUST BE installed horizontally.

       

Installation & Service Manual

TM