Bosch 520 HN NG


Tankless Water Heater, Natural Gas

520 HN NG 349636
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ItemGas Tankless Water Heater
Gas Connection (In.)3/4
Gas TypeNatural
Input (BTU)117,000
Ignition TypeHydro-Generated
Draft Hood Size (In.)5
Energy Factor0.80
Depth (In.)8-1/2
Width (In.)16-3/4
Height (In.)25-3/4
Water Connection (In.)1/2
GPM @ 45F Rise4.2
GPM @ 90F Rise2.1
Manufacturers Warranty Length15 Year Heat Exchanger And 3 Year Parts
Standards CSA And ANSI Z21.10.4
ComplianceCertified For Use In Potable Water Applications in CA and VT
Includes Mounting Bracket
Weight 38.500000


Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type Natural Gas Type, Input (BTU) 117, 000, Ignition Type Hydro-Generated, Draft Hood Size 5 In., Energy Facto 0.80 Energy Facto, Depth 8 1/2 In., Width 16 3/4 In., Height 25 3/4 In., Water Connection 1/2 In., 4.2 GPM @ 45F Rise, 2.1 GPM @ 90F Rise, Standards CSA And ANSI Z21.10.4, Includes Mounting Bracket, Warranty Length 15 Year Heat Exchanger And 3 Year Parts

Bosch Gas Tankless Water Heaters
  • 1LXD1 and 1LXD2 require no battery or external power source. No standing pilot light. 2KJG9 and 2KJH1 have direct-vent, room-sealed combustion operation. No standing pilot light. Greater than 83% thermal efficiency. Energy Star qualified. Condensing models include modulating feature for higher efficiency; up to 98% thermal efficiency. ASME certified; meet CSA standards. 6FZP2 and 6FZP3 are for residential use. 6FZP4 and 6FZW5 are for commercial use (100 to 180 F). Up to 94% thermal efficiency. Intelligent cascading for up to 24 units. 5-yr. limited manufacturer's warranty on heat exchanger and parts. Horizontal Vent Kit 2KLG1 has a max. temp. of 500 F.

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