400K BTU Universal Natural Gas Swimming Pool Heater

The Pentair MasterTemp is rated to 8,000'.  

• Brand: Pentair
• Model: 460736
• BTUs: 250,000
• Vent: cat III 4" / cat I 7-8""

• Note: Adaptor kits/venting not included. 
• Best-in-class 82% energy efficiency rating
• Pre-mixed combustion technology for ultra-fast heat-up 
• Connections: 1-1/2” water connections.
• 120V ready with 3 prong plug (240V capable)