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APPENDIX B - WATER QUALITY, WATER TREATMENT AND FREEZE PROTECTION
Applies to ALL Aluminum High Efficiency Gas-Fired Water Boilers
Antifreeze Products
Table 1
Compatible Aluminum Antifreeze & Inhibitor Suppliers
Noburst AL Antifreeze
Rhogard Antifreeze &
Pro-Tek 922 Inhibitor*
* Pro-Tek 922 Inhibitor may be used to adjust the pH level of the hydronic system, but on occasion may not resolve the
pH issue. In these cases, flush the system and refill with untreated water and antifreeze suitable for aluminum heat
exchangers, as listed in this supplement.
Intercool NFP-30,40,50 AA
Intercool RPH-15*
Hercules cryo-tek™-100/Al
* This product may be used to adjust pH level of hydronic system, but on occasion may not resolve pH issue. In these
cases it is recommended to flush system and refill with untreated water and new boiler manufacturer approved
antifreeze suitable for Aluminum heat exchangers.
System and Operating Precautions
Alphi-11
Noble Company
P. O. Box 350
Grand Haven, MI 49417
www.noblecompany.com
Tel:
800-878-5788
Fax:
231-799-8850
Rhomar Water Management, Inc.
P. O. Box 229
Springfield, MO 65801
www.rhomarwater.com
Tel:
800-543-5975
Fax:
417-862-6410
Hydronic Agencies, Ltd.
(Fernox North Distributor)
15363 117 Avenue
Edmonton, AB T5M 3X4
Canada
www.hydronicagencies.com
Tel:
780-452-8661
Fax:
780-488-2304
Fernox
www.fernox.com
Interstate Chemical
2797 Freedland Road
P.O. Box 1600
Hermitage, PA 16148-0600
www.interstatechemical.com
Tel: 800-422-2436
Fax: 724-981-8383
Hercules Chemical Company, Inc.
111 South Street
Passaic, NJ 07055
www.herchem.com
Tel: 800-221-9330
Fax: 800-333-3456
48
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