![Monthly:](/images/new-backgrounds/35632/3563279x1.webp)
Monthly:
1.Check for piping leaks around circulators, mixing valves, relief valves, and other fittings. If found, repair at once. DO NOT use
2.Visually inspect burner flame.
3.Visually inspect venting system for proper func- tion, deterioration or leakage.
4.Check air vents for leakage.
Quarterly:
1.Check relief valve. Refer to manufacturer’s instructions on valve.
2.Test low water
3.Clean screen and air filter in intake.
APPENDIX
Inside Combustion Air
Contamination:
All heaters experience some condensation during
The heater can use special
•installation is in an area containing contaminants listed below which will induce acidic condensation.
•you want to reduce infiltration into your building through openings around windows and doors.
•you are using
Products causing contaminated combustion air:
•spray cans containing chloro/fluorocarbons
•permanent wave solutions
•chlorinated waxes/cleaners
•
•calcium chloride used for thawing
•sodium chloride used for water softening
•refrigerant leaks
•paint or varnish removers
•hydrochloric acid/muriatic acid
•cements and glues
•antistatic fabric softeners used in clothes dryers
•
•adhesives used to fasten building products
•... and other similar products.
Areas causing contaminated combustion air:
•dry cleaning/laundry areas and establishments
•metal fabrication plants
•beauty shops
•refrigeration repair shops
•photo processing plants
•auto body shops
•plastic manufacturing plants
•urniture refinishing areas and establishments
•new building construction
•remodeling areas.
Check for areas and products as listed above before installing heater. If found:
•remove products permanently, OR
•provide outdoor combustion air.
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