Noritz GQ-C2857WS-FF-US Residential Direct Vent Natural Condensing Tankless Water Heater 180K BTU,
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GQ-C2857WS-FF-US

Noritz CB180-DV-NG Sealed Combustion Condensing Water Heater 180K BTU Natural Gas,
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CB180-DV-NG

Bosch T9900SE-160 Tankless Hot Water Heater 160K BTU 92%
The BOSCH Greentherm 9900 series Tankless Water heater with Recirculation Pump built in easily replaces Tank style water heater with Top Water Connections and can use a 2 inch diameter vent. 3 and 4 inch vent can also be used. The Bosch 9900 Green Therm can use either Natural Gas or LP Gas (Propane). This 160,000 BTU heater is designed for residential applications and can deliver hot water up to 140 degrees F with an 9 GPM flow rate at a 35 degree F temperature rise. The efficiency rating is .99 energy factor. ,
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T9900SE-160

Bosch T9900SE-199 Tankless Hot Water Heater 199K BTU 96%
The BOSCH Greentherm 9900 series Tankless Water heater with Recirculation Pump built in easily replaces Tank style water heater with Top Water Connections and can use a 2 inch diameter vent. 3 and 4 inch vent can also be used. The Bosch 9900 Green Therm can use either Natural Gas or LP Gas (Propane). This 160,000 BTU heater is designed for residential applications and can deliver hot water up to 140 degrees F with an 9 GPM flow rate at a 35 degree F temperature rise. The efficiency rating is .99 energy factor. ,
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Bosch T9900SE-199

Vesta VRP-199 Tankless Hot Water Heater 33" x 15" 199K BTU .92 UEF

VRP-199

Bosch T9900ISE-199 Tankless Water Heate 199K 96% AFUE Indoor

T9900ISE-199

Bosch T9800SEO-199 Tankless Water Heate 199K 96% AFUE Outdoor

T9800SEO-199

Navien NPE24 A Cold Rolled Carbon Steel Premium Wall-Hung Natural/Propane Gas Condensing Tankless Water Heater, 11.2 gpm at 35 deg F, 5.6 gpm at 67 deg F, 199 - 1999 BTU

• Field convertible gas system
• Ultra condensing efficiency
• Low NOx emissions (less than or equal to 2 ppm)
• Cascading capable
• SCH 4 , 2" venting up to 6 feet
• Less water pressure drop
• The negative pressure gas valve and fan with dual venturi operation allows for better adaptability to low gas pressure applications
• Intelligent preheating technology

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Navien NPE-240A

Bosch T9800SE-160 Tankless Water Heater Direct Vent 160K BTU 115 VAC 3' Flue 92%,
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Bosch T9800SE-160