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Who We Are

About Pro Water Heater Supply

Pro Water Heater Supply is the wholesale division of Global Pro Tankless Supply, Inc. This web site is dedicated to contractors and professional installers. If you are a home owner looking to purchase any of the products listed on this web site, please either have your installer contact us or purchase directly from our retail web site at is the only Exclusive Bosch Wholesale Online Retailer. Our expert sales staff is trained on the complete line up of Bosch Tankless Water Heaters. We know them inside and out. We can also help you compare Bosch heaters to those of the other major manufacturers.

We also carry the full line of Bosch Gas-fired Condensing Boilers, which can be used for either space heating or a combination of space heating and domestic hot water (DHW). And we carry the HP 200-1 Bosch Compress Heat Pump!

Pro Water Heater Supply is also a Z-Flex Authorized Distributor. We carry the largest stock of Z-Flex Z-Vent 3" and 4" stainless steel vent pipe in the country. We are also able to ship Z-flex 5" to 24" single-wall or double-wall stainless steel vent pipe.

Pro Water Heater Supply is the EXCLUSIVE online seller of Sentinel Hydrosolutions Leak Defense Systems. The whole-house leak detection and leak prevention systems are the industry leader and a must-have product for high-end homes.

We are also the EXCLUSIVE online dealer for the Virgo Water Filtration and Conditioning Systems. The Virgo Crystal system provides ten years of maintenance-free high quality water at an affordable price. See for more details.

Other products we carry include Webstone and Cimberio isolation valve kits, Danfoss electric floor heating, Precison Temp tankless water heaters for RVs and boats, Hydroblend filters, JC Whitlam descaling kits and solution, OnSite Pro leak detection systems and NyOil lubricants.

Pro Water Heater Supply is located in Beachwood Ohio and that is where our main warehouse is located. We maintain additional warehouses in Wilmington Delaware, Memphis Tennessee, and Las Vegas Nevada. We can deliver most of our products to locations in the Continental United States within two days via UPS Ground Shipping.

We ship daily to all Canadian Provinces and we have proven many times that our pricing is lower than pricing that can be found in Canada (even including duty charges).

The prices shown for many of our products on this web site are the List Prices. Most of the manufacturers we work with will only allow us to show list pricing on the internet. Please call us at 866.289.4652 so we can get you set up as a contractor. Once we do this you will be able to see your contractor or wholesaler pricing.

The sales staff at Pro Water Heater Supply is extremely knowledgable in the product lines we carry. We are looking to establish long-term relationships with the contractors and professional installers with whom we do business.