Ruud Water Heaters High Efficiency Condensing Power Direct Vent Heavy Duty Ultra Low NOx 9.0 GPM Indoor Leakguard LeakGuard™ and Demand Response 8.4 GPM Outdoor Induced Draft Power Direct Vent Leaksense and Demand Response Heavy Duty Power Vent Ultra Low NOx Power Vent 9.5 GPM Indoor Heavy Duty Heavy Duty Ultra Low NOx Atmospheric 9.5 GPM Outdoor Tankless Atmospheric LeakGuard™ Gen 5 8.4 GPM Indoor 9.0 GPM Outdoor Table Top standard Power Direct Vent Mid-Efficiency 84 Direct Vent Indoor Power Direct Vent ProTerra® Plug-in Heat Pump with HydroBoost and LeakGuard Plug-in Heat Pump (Dedicated Circuit) Point-of-Use Pacemaker (Standard and Ultra Low NOx) Plug-in Heat Pump with HydroBoost Powered Damper Ultra Low NOx Mid-Efficiency 95 Direct Vent Indoor Powered Damper SR Series Super High Efficiency Condensing Tankless Gas Water Heater with Recirculation Pump Mid-Efficiency 84 Outdoor Powered Damper Power Vent LeakSense Mid-Efficiency 70 Outdoor Mid-Efficiency 70 Direct Vent Indoor Ultra Low NOx Power Vent Ultra Low NOx Ultra Low NOx Mid-Efficiency 95 Outdoor Gas Direct Vent Heavy Duty Power Direct Vent Marathon Point-of-Use Water Heater Electric Lowboy Water Heater With Side Connections Super High Efficiency Condensing Tankless Super High Efficiency Condensing Tankless Super High Efficiency Condensing Tankless with Built-In Wi-Fi Super High Efficiency Condensing Tankless High Efficiency Non-Condensing Outdoor Tankless High Efficiency Non-Condensing Outdoor Tankless w/Wi-Fi High Efficiency Non-Condensing Indoor Tankless High Efficiency Non-Condensing Indoor Tankless Gas Water Heater W/Built-In Wi-Fi Ultra Low Nox High Btu with Side Connections Super High Efficiency Heavy Duty with LeakSense Super High Efficiency Ultra Low Nox Skinny Marathon Water Heater Super High Efficiency with LeakSense LeakGuard Water Heater