- Features
- Specifications
- Documents
Warranty Length
- 15 Years Limited on Heat Exchanger in Residential Application/5 Years Limited on Heat Exchanger in Commercial Application and 5 Years Limited on All Parts
Features
- Includes integrated temperature and pump controls with advanced diagnostics that simplify installation and troubleshooting
- Durable heat exchanger - Primary heat exchanger is constructed of a commercial-grade copper that is more resilient to erosion
- Secondary heat exchanger is made of type 316L stainless steel to protect against corrosion
- Easy-link 540P with three other 540H to increase flow capacity
- Common vent up to 8 units
- Safety features - Air-fuel ratio (AFR) sensor, exhaust and water temperature safety, control and overheat cut-off fuse
- Internal freeze protection system
- Category III venting can be used
- Exhaust, 3 in PVC venting up to 70 Ft or 4 in PVC venting up to 100 Ft
- Provides flexible venting with PVC, CPVC or ABS pipe for intake and exhaust (solid core only)
- Model certified from 0 to 10100 ft elevations
Standard Approvals
- ANSI Z21.10.3
- CSA 4.3
- Energy Star® Qualified
- ASHRAE Certified
- Low Lead IAPMO R and T
- SCAQMD Rule 1146.2
Videos
Commercial/Residential/Dual:
Residential
Condensing/Non Condensing:
Condensing
Energy Factor:
0.93
Flow Rate:
10 gpm
Fuel Type:
Liquid Propane
Gas Connection:
3/4 in NPT
Heating Capacity:
199000 Btu/hr
Height:
33.25"
Ignition Type:
Electronic Spark
Indoor/Outdoor:
Indoor
Pressure Rating:
15 to 150 psi
Series:
ATI-540P-P
Ultra Low NOx:
Yes
Vent Size:
3 or 4 in
Vent Type:
Direct/Power
Water Connection:
3/4 in NPT
Width:
15.625 in
Height:
33.25"


