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Gas Tankless Water Heaters

19 Results Found that Include 19 Products

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Results per page:  16 | 32 | 48
Tankless Water Heater,Natural Gas
  • BOSCH
  • Tankless Water Heater, Natural Gas Tankless Water Heater,Natural Gas
  • Item # 2KJH3
  • Mfr. Model # 330 PN NG
  • Water Heater, Tankless, Gas Connection (In.) 1/2, Gas Type Natural Gas Type, Input (BTU) 74,900, Ignition...More

Tankless Water Heater,LP Gas
  • BOSCH
  • Tankless Water Heater, LP Gas Tankless Water Heater,LP Gas
  • Item # 1LXD2
  • Mfr. Model # 520 HN LP
  • Tankless Water Heater, Gas Connection 3/4 In, LP Gas Type, Input 117,000 BTU, Hydro-Generated Ignition Type,...More

Water Heater,Tankless,NG,11K-199K BTU
  • RHEEM
  • Water Heater, Tankless, NG, 11K-199K BTU Water Heater,Tankless,NG,11K-199K BTU
  • Item # 21R457
  • Mfr. Model # RTGH-95DVLN
  • Water Heater, Condensing Tankless, Gas Connection (In.) 3/4, Gas Type Natural, Input (BTU) 11,000 -199,900,...More

Water Heater,Tankless,NG,225,000 BTU
  • BOSCH
  • Water Heater, Tankless, NG, 225,000 BTU Water Heater,Tankless,NG,225,000 BTU
  • Item # 6FZP2
  • Mfr. Model # C 1210 ES NG
  • Water Heater, Tankless, Natural Gas, Input (BTU) 225,000, 4.6 GPM @ 90F Rise, 9.2 GPM @ 45F Rise, Gas...More

Water Heater,Tankless,LP,11K-199K BTU
  • RHEEM
  • Water Heater, Tankless, LP, 11K-199K BTU Water Heater,Tankless,LP,11K-199K BTU
  • Item # 21R455
  • Mfr. Model # RTG-95DVLP
  • Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type LP, Input (BTU) 11,000 - 199,900, Ignition Type...More

Water Heater,Tankless,NG,225,000 BTU
  • BOSCH
  • Water Heater, Tankless, NG, 225,000 BTU Water Heater,Tankless,NG,225,000 BTU
  • Item # 6FZP4
  • Mfr. Model # C 1210 ESC NG
  • Water Heater, Tankless, Natural Gas, Input (BTU) 225,000, 4.6 GPM @ 90F Rise, 9.2 GPM @ 45F Rise, Gas...More

Water Heater,Tankless,Nat,11K-157K BTU
  • RHEEM
  • Water Heater, Tankless, Nat, 11K-157K BTU Water Heater,Tankless,Nat,11K-157K BTU
  • Item # 21R456
  • Mfr. Model # RTGH-84DVLN
  • Water Heater, Condensing Tankless, Gas Connection (In.) 3/4, Gas Type Natural, Input (BTU) 11,000 - 157,000,...More

Water Heater,Tankless,Nat,11K-199K BTU
  • RHEEM
  • Water Heater, Tankless, Nat, 11K-199K BTU Water Heater,Tankless,Nat,11K-199K BTU
  • Item # 21R454
  • Mfr. Model # RTG-95DVLN-1
  • Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type Natural, Input (BTU) 11,000 - 199,900, Ignition...More

Water Heater,Tankless,Nat,11K-180K BTU
  • RHEEM
  • Water Heater, Tankless, Nat, 11K-180K BTU Water Heater,Tankless,Nat,11K-180K BTU
  • Item # 21R452
  • Mfr. Model # RTG-84DVLN
  • Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type Natural, Input (BTU) 11,000 - 180,000, Ignition...More

Tankless Water Heater,Natural Gas
  • BOSCH
  • Tankless Water Heater, Natural Gas Tankless Water Heater,Natural Gas
  • Item # 2KJG9
  • Mfr. Model # 940 ES NG
  • Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type Natural Gas Type, Input (BTU) 199000, Ignition...More

Tankless Water Heater,Liquid Propane Gas
  • BOSCH
  • Tankless Water Heater, Liquid Propane Gas Tankless Water Heater,Liquid Propane Gas
  • Item # 2KJH4
  • Mfr. Model # 330 PN LP
  • Water Heater, Tankless, Gas Connection (In.) 1/2, Gas Type LP Gas Type, Input (BTU) 74,900, Ignition Type...More

Gas Tankless Water Heater,LP Gas
  • BOSCH
  • Gas Tankless Water Heater, LP Gas Gas Tankless Water Heater,LP Gas
  • Item # 48NU38
  • Mfr. Model # Greentherm C 950 ES LP
  • Gas Tankless Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type LP, Input (BTU) 175,000, Ignition...More

Water Heater,Tankless,LP,11K-180K BTU
  • RHEEM
  • Water Heater, Tankless, LP, 11K-180K BTU Water Heater,Tankless,LP,11K-180K BTU
  • Item # 21R453
  • Mfr. Model # RTG-84DVLP
  • Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type LP, Input (BTU) 11,000 - 180,000, Ignition Type...More

Tankless Water Heater,Liquid Propane Gas
  • BOSCH
  • Tankless Water Heater, Liquid Propane Gas Tankless Water Heater,Liquid Propane Gas
  • Item # 2KJH1
  • Mfr. Model # 940 ES LP
  • Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type Liquid Propane Gas Type, Input (BTU) 199000,...More

Condensing Water Heater,Tankless,3/4,LP
  • BOSCH
  • Condensing Water Heater, Tankless, 3/4, LP Condensing Water Heater,Tankless,3/4,LP
  • Item # 2VRE8
  • Mfr. Model # C1050ES LP
  • Gas Tankless Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type LP, Input (BTU) 199,000, Ignition...More

Gas Tankless Water Heater,NG Gas
  • BOSCH
  • Gas Tankless Water Heater, NG Gas Gas Tankless Water Heater,NG Gas
  • Item # 48NU37
  • Mfr. Model # Greentherm C 950 ES NG
  • Gas Tankless Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type NG, Input (BTU) 175,000, Ignition...More

Water Heater,Tankless,LP,225,000 BTU
  • BOSCH
  • Water Heater, Tankless, LP, 225,000 BTU Water Heater,Tankless,LP,225,000 BTU
  • Item # 6FZP3
  • Mfr. Model # C 1210 ES LP
  • Water Heater, Tankless, Gas Connection (In.) 3/4, Gas Type Liquid Propane, Input (BTU) 225,000, Ignition Type...More

Water Heater,Tankless,LP Gas,225,000 BTU
  • BOSCH
  • Water Heater, Tankless, LP Gas, 225,000 BTU Water Heater,Tankless,LP Gas,225,000 BTU
  • Item # 6FZW5
  • Mfr. Model # C 1210 ESC LP
  • Water Heater, Tankless, Liquid Propane, Input (BTU) 225,000, 4.6 GPM @ 90F Rise, 9.2 GPM @ 45F Rise, Gas...More

Condensing Water Heater,Tankless,3/4,NG
  • BOSCH
  • Condensing Water Heater, Tankless, 3/4, NG Condensing Water Heater,Tankless,3/4,NG
  • Item # 2VRE7
  • Mfr. Model # C1050ES NG
  • Condensing Water Heater, Tankless, Gas Connection 3/4 In., Gas Type NG, Input 199,000 BTU, Ignition Type...More

Results per page:  16 | 32 | 48

Gas tankless water heaters from Grainger can cut your water-heating bill considerably by eliminating the energy wasted by warmed water sitting unused in a tank. This selection includes units powered by natural or liquid propane gas. Choose from direct electronic, electronic spark, hydro-generated and pilot ignition types and a wide range of heating input (BTU) levels. Help provide hot water when and where it's needed without a storage tank. Get gas tankless water heaters from Grainger.

Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More