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WARNING
• Poison hazard. Ethylene glycol is toxic. Do not
use ethylene glycol.
• Never use automotive or standard glycol
antifreeze, even ethylene glycol made for hydronic
systems.
• Ethylene glycol can attack gaskets and seals used
in hydronic systems.
• Do not use petroleum based cleaning or sealing
compounds boiler system.
• Do not fill boiler or boiler system with softened
water.
• Use only inhibited propylene glycol solutions
certified by fluid manufacturer as acceptable for
use with closed water heating system.
• Thoroughly clean and flush any system that used
glycol before installing new Boiler.
• Provide user with Material Safety Data Sheet
(MSDS) on fluid used.
If damage due to frozen pipes is a possibility, install
appropriate safeguards and alarms on the heating
system to prevent property damage due to frozen
and burst pipes should the boiler heating system
become inoperative due to a power outage, safety
lockout or component failure.
4.3 Flush and Rinse System
4.3 Flush and Rinse System
Flush the entire system and rinse thoroughly to ensure no
Flush the entire system and rinse thoroughly to ensure no
sludge will be introduced into the heating body of the boiler.
sludge will be introduced into the heating body of the boiler.
4 - CONNECTING SUPPLY AND RETURN PIPING
NOTICE
4.4 Water Treatment
Manufacturer recommends a water analysis be done on
water used to fill the system. Treatment may be required
based on the analysis results.
For hard water or pH below 7.0 consult your local water
treatment company.
•
If CH water is very hard or full of impurities, it must be
adequately filtered and treated, otherwise damage and/
or malfunction could be caused. Recommended water
quality is:
o Hardness
o Acidity level
o Sediments
• If the water quality is outside these ranges, consult a local
water treatment specialist for recommendations.
• If the water is treated, do not use petroleum based
products or products containing mineral oil or hydrocarbons
in order to avoid likely damage to parts made from rubber
compounds (o-rings).
11
Less than 150 mg/L
7-8 pH
Particle size less than 50 micron
PN 240013268 Rev. D [08/15/2021]
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