Indirect Water Heater Ratings part 10, Reviews of the Olsen, Oso, Peerless, Pennco, PurePro, Radiant, Range, Redring, and Rheem brands

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This brand is a part of ECR INTERNATIONAL and the units are sold in Canada. The H2OI line offers both single coil and dual coil tanks. They are made of durable stainless steel and are backed by a very good warranty. The dual coil models offer a backup electric heating option.


The SUPER COIL models are basic units that are designed to be used with a boiler system. The ECOLINE is made for use with heat pumps and solar panels. The tanks are made of durable stainless steel but the warranty is not as good as many other brands.


These units are from PB HEAT LLC and are backed by a very good warranty. The PEERLESS PARTNER storage tanks are available in five sizes and feature durable stainless steel tanks. They have a cupronickel coil which is resistant to scaling and positioned in the tank to eliminate the need for chemical cleaning. The LO-BOY model is a compact unit that is designed to sit under their high efficiency boilers. The bad part about their warranty is that you must keep your receipt of purchase.


From ECR INTERNATIONAL, this brand features Hotline storage tanks that are available in five sizes. They use basic technology including magnesium anode rods for corrosion prevention but they are backed by a very good warranty.


This brand is made exclusively for F.W. WEBB COMPANY, a plumbing distributor serving nine states in the northeast part of the USA. The PRO 100 CT units include a pre-installed mixing valve while the PLUG N' GO PLUS units have a factory installed circulator pump for easier installations. The PIPE N' GO models are available in either 41 or 80 gallon sizes and all of the water heaters are made with poly bottle construction for corrosion resistance. The standard warranty on the brand is not very good when compared to other brands but it can be extended.


These water heaters are made and sold in Italy. They use basic tank technology and their website is not much help.


This brand is a part of KINGSPAN HOT WATER SYSTEMS LTD and is made/sold in the U.K. The ECOCYL models are basic tanks while the TRIBUNE HE SOLAR are premium units. The brand features durable stainless steel tanks and coils.


These water heaters are made in the U.K. and feature durable stainless steel tanks. They are available in sizes from 90 to 300 liters but the guarantee is not very good when compared to other brands.


The SOLARAIDE HE units are available with or without an electric element. They feature basic glass lined tank technology with an anode rod and are available in 80 or 120 gallon sizes. The warranty is not very good when compared to other brands.

Other Indirect Water Heater Brand Ratings

You can continue to browse our alphabetical list of manufacturers but, if you are looking for a specific brand, you can enter its name in the search box at the top of the page.

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