Heatmaster G100 Operation And Maintenance Manual page 6

G Series Outdoor Furnaces
WATER TREATMENT AND TESTING
Water Treatment Policy
Water Treatment Policy
To qualify for warranty water must be tested a minimum of once per year and water
treatment added when necessary.
To test the water open the boiler drain located at the bottom of the rear of the furnace until
the water runs clear. Fill one of the test bottles provided to you by your dealer and mail to
our testing lab using the mailing carton and label provided with the bottle. Make sure to
note if the furnace water contains any antifreeze or additional chemicals. If any adjust-
ments need to be made to the water you will receive a report outlining what must be done.
Take another sample and mail it to our test lab again to verify the recommended changes
have been made.
Add the water treatment through the fill pipe located at the top of the furnace when initially
filling the furnace with water or after testing, if needed. Ensure that all drains are closed. It
is recommended that water treatment be added at a 1:200 ratio when initially firing the fur-
nace and 1:300 after that. Additional treatment may have to be added for water with more
severe properties or for systems with more chemically demanding requirements. Recom-
mended operating pH level is 9 – 10. 5. Recommended nitrite levels are 600-1000 ppm.
What Water Treatment Does
What Water Treatment Does
The water treatment used in outdoor furnaces are nitrate based water treatments which act
as oxygen scavengers, neutralize harmful bacteria and harmful minerals and elements in
your water to reduce scaling and corrosion in your furnace and plumbing system.
Test Parameters and What They Mean
Test Parameters and What They Mean
Conductivity
Conductivity is a measurement of minerals in your furnace water. While it is common to
have minerals in water, in excess minerals can cause many problems in hydronic systems
including scaling and corrosion.
pH
pH is measurement of alkalinity (hard or soft water). For outdoor furnace water and the
water treatment used in outdoor furnaces it is better to have your water a little harder than
softer (recommended pH range is 9-10.5) as the active ingredients in the water treatment
neutralize harder water easier than softer water
Nitrates
Nitrates tested for are a measurement of how much water treatment is in the water. Ni-
trates measured are active units of water treatment available to neutralize harmful ele-
ments in your furnace water. Nitrates also act to neutralize harmful bacteria that may build
up in the furnace water over time.
Glycol
Inhibited glycol provides anti-corrosion elements and freeze protection for outdoor furnaces
and is compatible with Outdoor Furnace Water Treatment. Because outdoor furnaces are
open to the atmosphere systems and will have fresh water added occasionally, oxygen is
always entering the system and will break down the glycol over time to create glycolic acid
which will harm your furnace system. When this happens you will be required to drain and
flush your furnace system. It is always suggested to use 100% virgin glycol instead of recy-
cled glycol as it will break down
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WATER TREATMENT AND TESTING
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