Standard Features
- Condensing technology - Unprecedented 0.95 Energy Factor - Durable Heat Exchanger: Uses HRS35 copper for primary heat exchanger and stainless steel #316L for secondary heat exchanger - Approved with ULC S636 PVC, CPVC or polypropylene venting in addition to Cat. III/IV stainless steel - Vent with 3" (up to 70 feet) or 4" (up to 100 feet) - 0"clearance to combustibles - Integrated control and diagnostics - Air Fuel Ratio (AFR) Sensor - Factory-installed power cord - Internal freeze-protection system (JWT-540H-DV has dual protection) - High altitude installation (up to 10,100 ft.)
Energy Savings - ENERGY STAR qualified - Fully modulating - Electronic ignition means no standing pilot
Designed for Performance - ENERGY STAR qualified - Factory installed power cord - Many models feature improved scale reduction software - Secondary heat exchangers feature 316L high-quality, long-lasting stainless steel in condensing models - High altitude installations (up to 10,100 ft)
Safety Features - Air-Fuel Ratio Sensor to ensure safe and optimal operation - Exhaust** & water temperature safety devices - Overheat cut-off fuse - Freeze protection
Serviceability - Easy diagnostics and troubleshooting - Condensing models feature built-in numerical digital display - Non-condensing models include temperature remote controller with numerical digital display
Venting Flexibility - Condensing models can be vented using ULC S636 PVC, CPVC, polypropylene pipe or Cat. III/IV stainless steel
