A homeowner needs to replace a 26-year-old water heater that has a custom recirculation system and wants a new natural gas power vent water heater with a built-in recirculating connection.

Workarounds Described

• Added custom 1/2" PEX recirculating line from furthest faucet to water heater drain valve
• Relies on gravity feed for recirculation instead of a pump

Implied Software Gaps

• Water heater compatibility database with recirculation port specifications
• Home plumbing simulation tool to test recirculation system performance

AquaFlow Connect

A smart water heater recommendation platform that matches homeowners with water heaters featuring built-in recirculation systems and compatible accessories. It analyzes home layout, existing plumbing, and performance needs to suggest optimal models with verified compatibility for custom setups like gravity-fed recirculation lines.