
| Manufacturer | N/A A. O. Smith® | 
| Input Power | N/A 180000 BTU/hr | 
| Tank Capacity | N/A 81 U.S. gal307 L | 
| Standard Shipping Weight | N/A 470 lb213 kg | 
| Type | N/A Liquid Propane Gas Natural Gas | 
| Maximum Hydrostatic Working Pressure | N/A 160 psi | 
| Thermal Efficiency | N/A 80 % | 
| Maximum Gas Supply Pressure | N/A 14 inWc | 
| Minimum Gas Supply Pressure | N/A For Liquid Propane Gas: 11 inWcFor Natural Gas: 4.5 inWc | 
| Manifold Pressure | N/A For Liquid Propane Gas: 10 inWcFor Natural Gas: 3.5 inWc | 
| Industry Standards | N/A ANSI Z-21.10.3 - CSA 4.3 ASHRAE/IESNA 90.1 ASME Certified CSA® Certified NSF UL® Listed | 
| Recovery at 40 ºF Temperature Rise | N/A 434 gal/h | 
| Recovery at 100 ºF Temperature Rise | N/A 175 gal/h | 
| Recovery at 140 ºF Temperature Rise | N/A 124 gal/h | 
| Recovery at 22 ºC Temperature Rise | N/A 1643 L/h | 
| Recovery at 56 ºC Temperature Rise | N/A 659 L/h | 
| Recovery at 78 ºC Temperature Rise | N/A 469 L/h | 
| Features | N/A
                                                                                          The Master-Fit® BTR series provides outstanding performance and maximum installation flexibility for both new construction and replacement applications. Multiple options for placement of water connections and low installation clearances are additional installer-friendly features. The Eliminator™ Self-Cleaning System 
 
 
 
 
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| Testing and Certifications | N/A
                                                                                          Factory-Installed, CSA® Certified and ASME Rated T&P Relief Value 
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| Other Master-Fit® Features | N/A
                                                                                          Fully Automatic Control System 
 
 
 
 
 
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