FAQs & Troubleshooting
Find answers to common questions about Rinnai hot water, heating, and air conditioning products, including installation, operation, maintenance, warranty, and troubleshooting. Explore the FAQs and Troubleshooting pages to get the guidance you need to keep your home comfortable, efficient, and running smoothly.
For all of our current products you can access customer Operation Manuals through the downloads page. Within these manuals you will find troubleshooting checklists that may save a service / repair / warranty job.