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INSTALLATION, OPERATING, AND
SERVICE INSTRUCTIONS
HEAT-FLO HOT WATER STORAGE/ BOOSTER TANKS
MODELS 30-ST, 40-ST, 40L-ST, 60-ST, 60L-ST,
80-ST, 115-ST, 80-ST-C, 115-ST-C, 80-ST-C-2, 115-ST-C-2
Conforms to UL STD 174 NSF/ANSI 372
Certified to CAN/CSA STD C22.2 No. 110-94
For service or repairs to the tank, call your heating contractor. Your tank has been manufactured to provide
years of service. In order to ensure proper service, the following information is provided to assist in enabling
the installation, operation, and maintenance of this tank. For your comfort, safety, and convenience, we
recommend that this unit be installed and serviced by a plumbing professional. When the installation is
completed, keep this manual with the storage tank. Information and specifications outlined in this manual
are in effect at the time of the printing of this manual. Heat-flo reserves the right to discontinue, change
specifications, or change systems at any time without notice.
Heat-flo, LLC.
15 Megan CT., P.O. Box 612 Uxbridge, MA 01569 USA
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Summary of Contents for Heat-Flo 30-ST
- Page 1 Information and specifications outlined in this manual are in effect at the time of the printing of this manual. Heat-flo reserves the right to discontinue, change specifications, or change systems at any time without notice.
- Page 2 Safety Information The following terms and symbols are used to bring attention to the presence of various risk levels, or to important information concerning product life. Indicates presence of a hazard, which will cause severe personal injury, death, or substantial property damage if ignored. Indicates the presence of a hazard, which can cause severe personal injury, death, or substantial property damage if ignored.
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Page 3: Table Of Contents
Table of Contents General Information 1, 2 Pre-Installation Considerations Dimensions and Capacities Piping Operation Important Scalding Information 7 - 9 Maintenance 9, 10 Replacement Parts Limited Warranty 11 - 14... -
Page 4: General Information
IMPORTANT INFORMATION – READ CAREFULLY NOTE: The equipment shall be installed in accordance with those installation regulations required in the area where the installation is to be made. These regulations shall be carefully followed in all cases. Authorities having jurisdiction shall be consulted before the installations are made. - Page 5 IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THIS STORAGE TANK. WARNING – When using electrical appliances, safety precautions should be taken to reduce the risks of fire, electric shock, and injury. These precautions include the following: • This storage tank must be grounded. Connect only to a properly grounded outlet. See “GROUNDING INSTRUCTIONS”...
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Page 7: Pre-Installation Considerations
Inspect shipment carefully for signs of damage. All equipment is carefully inspected and packed. Heat-flo’s responsibility ceases upon delivery of the storage tank to the carrier in good condition. Any claims for damage or shortage must be filed immediately against the carrier by the consignee. -
Page 8: Piping
WARNING: Do not operate the Heat-flo storage tanks in areas where the Ph is above 8.0 or below 6.0, and/or with chloride concentrations greater than 100 parts per million (ppm). Heat-flo’s standard warranty does not cover problems caused by improper water Ph or excessive levels of chlorides. - Page 9 • Install piping onto cold inlet connection. • Connect to cold water supply connection using a union, a heat trap, a shut-off valve, a vacuum breaker, an expansion tank (where required), and a filter (recommended to prevent sediment buildup). If installing on a city supply, a properly sized thermal expansion tank is required and should be installed in accordance with the product installation manual.
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Page 10: Operation
• Open domestic hot water shut-off valve. • Open cold-water inlet shut-off valve. • Purge all of the air from the domestic water system. Allow water to run so the tank is completely purged of any debris. Run the water long enough to change at least five tank volume changes. - Page 11 The scald label shown to the right can be found on all Heat-flo Indirect Storage tanks and Storage tanks. Take note and use caution when adjusting the temperature settings with your water system.
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Page 12: Maintenance
It is the responsibility of the installing contractor to see that all controls are correctly installed and are operating properly when the installation is complete. DO NOT operate the storage tank with jumpered or absent controls or safety devices. DO NOT tamper with or alter the storage tank and/ or controls. DO NOT operate the storage tank if any external part has been under water. -
Page 13: Replacement Parts
5. Inspect the anode and replace if needed. The anode should be replaced when more than 6” of core wire is exposed. The anode should be replaced with a Heat-flo supplied anode only. See above. The brass hex on the anode is 1 ¼ NPT and installs into a 1 ¼... -
Page 14: Limited Warranty
Heat-flo, LLC. LIMITED WARRANTY Storage Tanks Your tank is protected by these Heat-flo, LLC., (HFL), warranties. These warranties are applicable to original consumer purchases only. WARRANTY COVERAGE FOR RESIDENTIAL USAGE The warranties listed in this section shall apply to tanks used in a residential setting by the original consumer purchasers only. - Page 15 If Heat-flo, LLC. is unable to repair or replace the tank so as to conform with this warranty after a reasonable number of attempts, then Heat-flo, LLC. will provide, at its option, either a replacement product, or a full refund of the purchase price.
- Page 16 DAMAGES INCLUDING, BUT NOT LIMITED TO, PROPERTY DAMAGE, LOST PROFIT, OR DAMAGES ALLEGED TO HAVE BEEN CAUSED BY ANY FAILURE OF HEAT-FLO, LLC. TO MEET ANY OBLIGATION UNDER THIS AGREEMENT INCLUDING THE OBLIGATION TO REPAIR AND REPLACE SET FORTH ABOVE.
- Page 17 The obligations under this warranty apply only to tank installations where the warranty registration card has been completed by the owner of the site of the original installation and received by Heat-flo in accordance with the terms and conditions herein set out and Heat-flo has been notified of the alleged defect or deficiency within forty-eight (48) hours from the occurrence or discovery of the alleged defect or deficiency.
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- Page 19 Heat-flo, LLC. 15 Megan Ct., P.O. Box 612, Uxbridge, MA 01569 | Tel: (508)-278-2400 |Email: sales@heat-flo.com| Fax: (508)-278-2466 | www.heat-flo.com Page | 16...
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