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Tankless Water Heater Coils

Additional Information

Indirect water heaters are a more efficient choice for most homes, even though they require a storage tank. An indirect water heater uses the main furnace or boiler to heat a fluid that's circulated through a heat exchanger in the storage tank. The energy stored by the water tank allows the furnace to turn off and on less often, which saves energy. An indirect water heater, if used with a high-efficiency boiler and well-insulated tank, can be the least expensive means of providing hot water, particularly if the heat source boiler is set to "cold start."

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
Contact Us Directly:
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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
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WHERE d.id=`products`.category_id),"")),"") AS category_title_full, IFNULL((
SELECT k.id
FROM catalog_categories AS k
WHERE k.id = IFNULL((
SELECT CASE WHEN parent_id=0 THEN id WHEN parent_id > 0 THEN parent_id ELSE "no matter" END AS category
FROM catalog_categories AS d
WHERE d.id=`products`.category_id),"")),"") AS category_id_list, IFNULL((
SELECT CASE WHEN parent_id=0 THEN "1" WHEN parent_id > 0 THEN "0" ELSE "no matter" END AS category
FROM catalog_categories AS d
WHERE d.id=`products`.category_id),"") AS without_subcategory, IFNULL((
SELECT g.`groups`
FROM catalog_categories AS g
WHERE g.id = `products`.category_id),"") AS category_groups, IFNULL((
SELECT n.group_id
FROM catalog_categories_groups AS n
WHERE n.id = category_groups),"no-groups") AS subcategory_groups, IFNULL((
SELECT n.own_page
FROM catalog_categories AS n
WHERE n.id =`products`.category_id),"") AS subcategory_own_page

FROM products
WHERE 1 AND status =1 AND del_status =1 AND IFNULL((
SELECT rp.id
FROM recommended_products AS rp
WHERE rp.product_id = `products`.id AND rp.for_subcategory_id = 271 AND rp.category_id = 0
LIMIT 1), 0) > 0
ORDER BY IFNULL((
SELECT rp.id
FROM recommended_products AS rp
WHERE rp.product_id = `products`.id AND rp.for_subcategory_id = 271 AND rp.category_id = 0
LIMIT 1), 0) ASC , title ASC
0.020045042037964SHOW COLUMNS
FROM ads
0.0085480213165283SELECT COUNT(*)
FROM ads
WHERE 1 AND status =1
0.010859966278076SHOW COLUMNS
FROM megamenu
0.061028003692627SELECT COUNT(*)
FROM megamenu
WHERE 1
0.00044894218444824SELECT id AS id, title AS title, href AS href, type AS type, parent_id AS parent_id, pos AS pos
FROM megamenu
WHERE 1
ORDER BY id
0.00027108192443848SELECT title
FROM catalog_categories
WHERE id=271
0.0026819705963135SELECT title
FROM catalog_categories
WHERE id=271
0.00021886825561523SELECT title
FROM catalog_categories
WHERE id=271
0.0002129077911377SELECT title
FROM catalog_categories
WHERE id=271
0.00025200843811035SELECT id, parent_id, description, meta_description, short_title, url, title
FROM catalog_categories
WHERE id = '271'
LIMIT 1
Total: 0.60501003265381

 _showPOST
POST is empty