Plumbing AO Smith Tankless Water Heaters | 199,000 Btu Ati-540H Condensing Ultra-Low Nox Indoor Tankless Water Heater (Ng)

Overview:
The 540 Series Is Well Suited For Residential Use. Utilizing Commercial Grade Copper Alloy For The Heat Exchanger Tubing, The 540 Series Is Also Suitable For Heavier-Residential Usages Such As Domestic Recirculation Systems. Remote Control Included As A Standard Feature On All Outdoor Models. Indoor Models Are Certified Up To 10,100 Ft. Altitude. Provides A Variety Of Installation Options: Outdoor And Direct Vent. Complies With Ultra-Low Nox Regulations And Meets The Energy Efficiency Requirements. Easy-Link System Capable Up To 4 Units. The Ati-540H-N Tankless Water Heater Uses Up To 199,000 Btu/Hr Of Natural Gas To Deliver An Endless Supply Of Hot Water For A 3 Bath Home In Northern Climates And Up To A 4 Bath Home In Southern Climates (One Shower Head Per Bath). Utilizing Condensing Technology, This Heater Is Extremely Efficient With A Uniform Energy Factor Of 0.93. With An Industry Leading 15-Year Limited Warranty, The Ati-540H-N Tankless Water Heater Provides Years Of Hot Water Through Innovation And Quality.

Specifications:

• Emissions: Ultra-Low Nox
• Maximum Btus: 199,000
• Minimum Btus: 15,000
• Uef: 0.93
• Limited Heat Exchanger Warranty: 15 Years
• Limited Parts Warranty: 5 Years
• Water Connection Location: Bottom
• Water Connection Size: 3/4″
• Heat Exchanger: Commercial Grade Copper
• Secondary Heat Exchanger: Stainless Steel
• Voltage: 120
• Energy Star®: Yes
• Leed Rating: 1.5
• Digital Display: Yes
• Remote Control: Yes
• Technology: Condensing
• Height: 23 5/8″
• Width: 17 3/4″
• Depth: 11 1/4″
• Product Weight: 59Lbs/27Kg
• Shipping Weight: 70.9
• Vent Type: Power Direct Vent
• Vent Length: 70 Feet At 3 Diameter
• 100 Feet At 4 Diameter
• Vent Material: Pvc, Cpvc, Pp, Abs, Ss