Best Compact Non pressure Water Heater

Rinnai RU80EN Ultra-NOx tankless Water Heater, Large, Silver

  • Hot Water Heater: Heat the whole house with this boiler featuring a stainless-steel heat exchanger with a modulating wire mesh burner and a built-in domestic hot water plate heat exchanger for showers and faucets.
  • Smart Features: Multizone control capability allows thermostat and integrated control pumps to connect directly to the boiler that warms the house and the tap water.
  • smart heater features a safety child-lock that automatically turns off central heating.
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings.
  • adjust the CH temperature between 104°F and 180°F and DHW between 98°F and 140°F.
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively.
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Hottoby Natural Gas Tankless Water Heater Home Outdoor Instant RV Hot Water Heater Camper Use Water Heater Electric Adjustable Portable Compact Water Heater Garden RV indoor Installation (12L)

  • ...e is an Wall-Mounted design with holes. At the same time, there are multiple air inlets on the back. Light, portable, space-saving and tankless.(Hose connections and exhaust pipes are not included)..
  • Hottoby Water Heater Multiple Security Protection: Water temperature protection. Low water flow protection. Low water pressure start-up function. Anti-freezing protection. Over heat protection, Over water pressure protection function, Low water-pressure startup, Stable water flowing under high pressure, Automatic IC ignition system..
  • Adjustable Control: LED display temperature display, gas supply and water outlet knob control, Adjust water temperature easily. Fast to heat. There are summer and winter seasons to choose to use. Power Off Automatically when heater opening over 20 mins and Water temperature over 75 ..
  • Hottoby Water Heater Applications: Shower, pet washing, outdoor cleaning, camping, RV bath equipment, yacht bath equipment. The portable water heater doesn't need to be plugged in. It just needs to be charged with a battery (no included batteries). Dont install in the bathroom and other confined spaces!.
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Rinnai i150SN Condensing Gas Boiler, Natural Gas (150K BTU)

  • Hot water heater: Heat the whole house with this boiler featuring a self-cleaning stainless-steel heat exchanger with a modulating wire mesh burner and a secondary flat plate heat exchanger for showers and faucets.
  • Smart Features: Multizone control capability allows thermostat and control pumps to connect directly to the boiler that warms the house and the tap water.
  • smart heater features a safety child-lock that automatically turns off central heating.
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings.
  • up/down arrows adjust the temperature between 104°F and 180°F.
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively.
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Rinnai i120SN Condensing Gas Boiler, Natural Gas (120K BTU)

  • Hot water heater: Heat the whole house with this boiler featuring a self-cleaning stainless-steel heat exchanger with a modulating wire mesh burner and a secondary flat plate heat exchanger for showers and faucets.
  • Smart Features: Multizone control capability allows thermostat and control pumps to connect directly to the boiler that warms the house and the tap water.
  • smart heater features a safety child-lock that automatically turns off central heating.
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings.
  • up/down arrows adjust the temperature between 104°F and 180°F.
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively.
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Rinnai i090SN Condensing Gas Boiler, Natural Gas (90K BTU)

  • Hot water heater: Heat the whole house with this boiler featuring a self-cleaning stainless-steel heat exchanger with a modulating wire mesh burner and a secondary flat plate heat exchanger for showers and faucets.
  • Smart Features: Multizone control capability allows thermostat and control pumps to connect directly to the boiler that warms the house and the tap water.
  • smart heater features a safety child-lock that automatically turns off central heating.
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings.
  • up/down arrows adjust the temperature between 104°F and 180°F.
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively.
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Rinnai i060SN Condensing Gas Boiler, Natural Gas (60K BTU)

  • Hot water heater: Heat the whole house with this boiler featuring a self-cleaning stainless-steel heat exchanger with a modulating wire mesh burner and a secondary flat plate heat exchanger for showers and faucets.
  • Smart Features: Multizone control capability allows thermostat and control pumps to connect directly to the boiler that warms the house and the tap water.
  • smart heater features a safety child-lock that automatically turns off central heating.
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings.
  • up/down arrows adjust the temperature between 104°F and 180°F.
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively.
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Bosch Electric Tankless Water Heater - Eliminate Time for Hot Water - Easy Installation

  • CONVENIENT TANKLESS HOT WATER HEATER: 9.5 kW output tankless electric water heater eliminates long waits for hot water at point-of-use.
  • EASY INSTALLATION: Easily install under any bathroom or kitchen sink and get on demand hot water at your every need.
  • SPACE SAVING: Mounts on wall vertically or horizontally and is space saving, ultra-compact, and lightweight.
  • IMPORTANT INFORMATION: Unit operates on 220-Volt at 84-Percent of capacity and on 208-Volt at 75-Percent of capacity.
  • GREAT EFFICIENCY: 98% efficient with minimal stand-by loss. Water pressure range of 10-150 PSI.
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Bosch Electric Tankless Water Heater - Eliminate Time for Hot Water - Easy Installation

  • CONVENIENT TANKLESS HOT WATER HEATER: 3.2 kW output tankless electric water heater eliminates long waits for hot water at point-of-use.
  • EASY INSTALLATION: Easily install under any bathroom or kitchen sink and get on demand hot water at your every need.
  • SPACE SAVING: Mounts on wall vertically or horizontally and is space saving, ultra-compact, and lightweight.
  • IMPORTANT INFORMATION: Unit operates on 110-Volt at 84-Percent of capacity and on XX-Volt at 75% of capacity.
  • GREAT EFFICIENCY: 98% efficient with minimal stand-by loss. Water pressure range of 10-150 PSI.
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Bosch Electric Tankless Water Heater - Eliminate Time for Hot Water - Easy Installation

  • CONVENIENT TANKLESS HOT WATER HEATER: 7. 2 kW output tank less electric water heater eliminates long waits for hot water at point-of-use.
  • EASY INSTALLATION: Easily install under any bathroom or kitchen sink and get on demand hot water at your every need.
  • SPACE SAVING: Mounts on wall vertically or horizontally and is space saving, ultra-compact, and lightweight.
  • IMPORTANT INFORMATION: Unit operates on 220-Volt at 84-Percent of capacity and on 208-Volt at 75-Percent of capacity.
  • GREAT EFFICIENCY: 98% efficient with minimal stand-by loss. Water pressure range of 10-150 PSI.
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Ridgeyard 6L LPG Tankless Hot Water Heater Household Propane Gas Heater with Shower Head for Bathroom

  • Quality Guaranteed: Our LPG water heater with manifold auto protection, over heat protection and over water pressure protection function.
  • Multiple Use: Our tankless water heater include bonus shower head and it’s ideal for camping, small homes, RV’s, sailboats & cabins, animal washing,boats and more..
  • High efficient energy saving: The water heater’s exchanger and main burner adopt mostly advanced energy-saving and combustion technology to decrease gas consumption and burning noise..
  • Low water-pressure startup: The water control linkage valve makes the heater start up under low water pressure and stable water flowing under high pressure to meet the requirements of those in water shortage areas and those living in high stairs..
  • Controller design & Anti-freezing: The 6L heater can properly control both cold water and warm water and the anti-freezing apparatus can discharge the stock water to avoid damaging machine itself by freezing under cold areas or in case of long time no use..
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