10
WHL-012 REV. 12.17.14
C. GAS
Should overheating or gas supply fail to shut off, do not turn off or disconnect electrical supply to the circulator. Instead, shut off the gas
supply at a location external to the appliance.
D. WHEN SERVICING THE APPLIANCE
To avoid electric shock, disconnect electrical supply before performing maintenance.
To avoid severe burns, allow appliance to cool.
Do not use petroleum-based cleaning or sealing compounds in a appliance system. Gaskets and seals in the system may be
damaged, possibly resulting in substantial property damage.
Do not use “homemade cures” or “patent medicines”. Substantial property damage, damage to appliance, and/or serious
personal injury may result.
Always verify proper operation after servicing the appliance.
E. WATER QUALITY
Potable water is defined as drinkable water supplied from utility or well water in compliance with EPA secondary maximum contaminant
levels (40 CFR Part 143.3) as shown in Table 2. It is important to ensure the water quality is within these determined limits. If your
water contains contaminants higher than outlined by EPA, then water treatment is recommended and additional maintenance may be
required. If you suspect that your water is contaminated in any way, discontinue use of the appliance and contact an authorized
technician or licensed professional.
200 mg/l (12 grains/gallon)
Total Dissolved Solids (TDS)
Table 2 – Water Quality Specifications
F. FREEZE PROTECTION
Consider appliance piping and installation when determining appliance location.
NOTE: Damages resulting from incorrect installation or from use of products not approved by Westinghouse ARE NOT covered by
warranty.
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