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National-US-Crane-Thatcher Tankless Heaters In Stock

Tankless coils are finned copper heat exchangers installed inside heating boilers to provide domestic hot water. As cold water passes through the coil, it is heated by the surrounding boiler water, delivering hot water on demand.

 

Common in oil- and some gas-fired systems—especially in colder climates—tankless coils eliminate standby heat loss since water is only heated when needed, though they are generally less efficient than modern alternatives.

 

NR SERIES COILS ARE NO LONGER MADE

Item Name: 73 70SS-SW
Shipping Time: 1-3 Business Day
Express ship options available
Specifications
Item # Cap GPM Description Category  
73-5 5 7-1/2" x 13-1/2" - 12 BH B Add to RFQ
73-6 6 7-1/2" x 13-1/2" - 12 BH B Add to RFQ
73-8 8 7-1/2" x 13-1/2" - 12 BH B Add to RFQ
Item Name: Crane 14-16-20 *Extended Shell
Shipping Time: 1-3 Business Day
Express ship options available
Specifications
Item # Cap GPM Description Category  
14-5 5 7-1/2" x 13-1/2" - 12 BH E Add to RFQ
14-6 6 7-1/2" x 13-1/2" - 12 BH E Add to RFQ
*14-8 8 7-1/2" x 13-1/2" - 12 BH A Add to RFQ
*14-10 10 7-1/2" x 13-1/2" - 12 BH A Add to RFQ
Item Name: Crane 15-26
Shipping Time: 1-3 Business Day
Express ship options available
Specifications
Item # Cap GPM Description Category  
T-15-4 4 6" Dia. - 4BH B Add to RFQ
T-15-5 5 6" Dia. - 4BH B Add to RFQ
T-15-6 6 6" Dia. - 4BH B Add to RFQ
T-15-8 8 6" Dia. - 4BH B Add to RFQ
Item Name: NAT-US 2-9-16-16C-20 25-28-32 Cast Iron Shell
Shipping Time: 1-3 Business Day
Express ship options available
Specifications
Item # Cap GPM Description Category  
919-6 6 8-3/4" x 20" - 16 BH A Add to RFQ
919-8 8 8-3/4" x 20" - 16 BH A Add to RFQ
919-10 10 8-3/4" x 20" - 16 BH A Add to RFQ
919-12 12 8-3/4" x 20" - 16 BH A Add to RFQ
919-15 15 8-3/4" x 20" - 16 BH A Add to RFQ
Item Name: NAT-US 10-15-27-37-47 Crane 21-31-41
Shipping Time: 1-3 Business Day
Express ship options available
Specifications
Item # Cap GPM Description Category  
NR-6 6 13-1/4" x 19-1/2" x 5-1/2" A Add to RFQ
NR-8 8 13-1/4" x 19-1/2" x 5-1/2" A Add to RFQ
NR-10 10 13-1/4" x 19-1/2" x 5-1/2" A Add to RFQ
NR-12 12 13-1/4" x 19-1/2" x 5-1/2" A Add to RFQ
NR-15 15 13-1/4" x 19-1/2" x 5-1/2" A Add to RFQ
Item Name: NAT-US 12-12W Flange Type
Shipping Time: 1-3 Business Day
Express ship options available
Specifications
Item # Cap GPM Description Category  
12-5 5 7" x 22-1/2" - 16 BH E Add to RFQ
12-6 6 7" x 22-1/2" - 16 BH E Add to RFQ
12-8 8 7" x 22-1/2" - 16 BH E Add to RFQ
Item Name: NAT-US 17-18 70-101-109-209 300 Crane-2-8-11-12 202-300-302 Thatcher - G-OP
Shipping Time: 1-3 Business Day
Express ship options available
Specifications
Item # Cap GPM Description Category  
T104 4 7-1/4" Dia. - 6 BH G Add to RFQ
T105 5 7-1/4" Dia. - 6 BH G Add to RFQ
T106 6 7-1/4" Dia. - 6 BH G Add to RFQ
T108 8 7-1/4" Dia. - 6 BH G Add to RFQ
T110 10 7-1/4" Dia. - 6 BH G Add to RFQ
T112 12 7-1/4" Dia. - 6 BH G
1286.95 		Add to RFQ
T115 15 7-1/4" Dia. - 6 BH G Add to RFQ
Item Name: NAT-US Sunray 1-3-46
Shipping Time: 1-3 Business Day
Express ship options available
Specifications
Item # Cap GPM Description Category  
119-5 5 6-1/2" x 16-1/4" - 13 BH E Add to RFQ
119-6 6 6-1/2" x 16-1/4" - 13 BH E Add to RFQ
119-8 8 6-1/2" x 16-1/4" - 13 BH E Add to RFQ
Item Name: NAT-US Sunray IV-19 Crane - 5 THAT-OC
Shipping Time: 1-3 Business Day
Express ship options available
Specifications
Item # Cap GPM Description Category  
T194-4 4 6-1/2" x 17-1/2" - 10 BH B Add to RFQ
T195-5 5 6-1/2" x 17-1/2" - 10 BH B Add to RFQ
T196-6 6 6-1/2" x 17-1/2" - 10 BH B Add to RFQ
T198-8 8 6-1/2" x 17-1/2" - 10 BH B Add to RFQ
T910-10 10 6-1/2" x 17-1/2" - 10 BH B Add to RFQ
Other Recommended Products:

In-stock orders eligible for small-pack shipments placed before 2:00 PM EST, Monday through Friday, will ship the same day. If ordered after 2:00PM EST, it will ship the following business day.

Items to be returned must be approved by Power Plus International, Inc. DBA Boiler USA, and may be subjected to a restocking fee

Notice: Due to the uncontrollable metal costs, all prices and delivery times are subject to change on a daily basis.

PPI™ and Power Plus International™, and related marks and logos displayed on the Site, are our trademarks and may not be used in any way without our prior express written permission. Nothing contained on the Site shall be construed as granting, by implication, estoppel or otherwise, any license or right to use any of our marks displayed on the Site without our prior express written permission. All other trademarks not owned by us that appear on this Site are the property of their respective owners.

*NOTE: The products described herein are not manufactured by Patterson-Kelley nor is Power Plus International, Inc. DBA Boiler USA in any way associated or affiliated with "PK", Patterson-Kelley, or Harsco Corporation.

Contact Us Directly:
Mailing Address:
  • Power Plus International, Inc. DBA Boiler USA
  • 143 McDonough Parkway
  • McDonough, GA 30253
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© 2026 Power Plus International, Inc. d/b/a Boiler USA, All Rights Reserved.
Mailing Address:
  • Power Plus International, Inc. DBA Boiler USA
  • 143 McDonough Parkway
  • McDonough, GA 30253