• F
reeze damage that occurs without taking proper preven
ti
ve measures as described in the installa
tion
manual.
• Condens
ate damage due to improperly installed or lack of a condensate trap (drain).
• A
ny product not installed in compliance with all applicable local & provincial codes, ordinances, and
good trade pr
actices
.
• A
ny product sold to or installed in areas outside of the
fifty
states (and the District of
Columbia)
of
the United States of
Ameri
ca and
Canada
.
• A
ny product installed in applica
tions
that cause the micro-boiler to
acti
vate more than 300
times
per
day. (This averages to an
acti
va
tion
every 5 minutes in a 24-hour period.)
• A
ny failures that are not due to defects in materials or workmanship (mechanical and/or electrical parts).
• Dama
ges due to improper installa
tion:
• Gas:
incorrect gas pipe sizing, incorrect gas meter sizing, incorrect gas type, and/or gas
pressures
that fall outside the product’s
specified
range.
•
Wat
er:
incorrect water pipe sizing, water pressures that fall outside the product’s
specified
range,
recircula
tion
fl
ow rates that fall outside the product’s
specified
range (air removal), and/or lack of
proper methods of air removal in a closed-loop, circula
tion
system. (See installa
tion
manual for
details.)
• Electric:
supply power voltages that fall outside the product’s
specified
range.
• Dama
ges due to water
quality:
mixtures
into
the
product.
• I
ntr
oduction
of liquids other than water or water / glycol
• I
ntr
oduction
of pool water, spa water, or any chemically treated water into the product.
• I
ntr
oduction
of hard water measuring more than 7 grains per gallon (120 ppm) for single family
domes
tic
applica
tions
or more than 4 grains per gallon (70 ppm) for all other types of applica
tions
into the product.
• I
ntr
oduction
of untreated or poorly treated well water into the product.
• I
ntr
oduction
of water with pH levels less than 6.5 and greater than 8.5 into the product.
