Click here to see important conversion factors like gas data, water content, and how to calculate how many BTU's are needed for your system.

Click here to view calculators to help size an expansion tank, domestic water storage, conversion charts, and several other helpful tools.

Click here to view piping diagrams to help you pipe your systems in primary/secondary, full flow, and stacked heater configurations.

* Please note that each job should be handled on a case-by-case basis. Some of the tools provided are rules of thumb and cannot be used as blanket solutions. Please call us with any questions you may have.

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