Instantaneous (Tankless) Water Heaters

BOSCH PRO TANKLESS™: Instantaneous gas water heaters

New homeowners want the energy-efficient, endless supply of hot water only a gas tankless water heater can deliver. And no one has a more complete line or gives you a longer warranty than Pro Tankless by Bosch. Elegantly engineered, these units are small, lightweight, and easy to install and maintain.
- For residential and commercial use. Natural gas & propane models.
- Bosch is the leader in tankless water heating technology.

Click on each link for more information on instantaneous gas water heaters:

635ES Direct Vent                                425HN Hydro Spark Chimney Vent

  715ES Direct Vent                               C800ES Condensing Direct Vent

  345-450ESR Combo Direct Vent     Bosch ProTankless Applications Manual

ARISTON: Electric mini-tank under-sink water heaters
- For residential and commercial use.

  CLICK HERE for more detailed product information.

POWERSTREAM™: Instantaneous electric water heaters
- For commercial use.
Click on each link for more information on instantaneous electric water heaters:

  RP1P-12P 3.0 to 12.0 kW                  RP17P-27P 17.0 and 27.0 kW

WEIWELA (by Paloma): Instantaneous gas water heaters
- For residential and commercial use. Capability of use in combo-heating systems. Commercial model can deliver up to 180 deg. F water.

  Download the WaiWela Brochure

TOYOTOMI: OIL MISER™ instantaneous water heater
- Oil-fired, power direct-vent sealed combustion. Ideal for installation in closets, crawl-spaces, etc. Approved for use in mobile homes.

  All Product Brochure (English)     All Product Brochure (French)

OIL MISER OM-148, BS-36UFF for domestic hot water (DHW) use only. The OM-148 is suitable for #2 fuel oil, with direct-vent or chimney adapter vent kits extra. BS-36UFF is for #1 stove oil, kerosene, or arctic diesel use, and includes the direct-vent kit.

DHW Heater Video:

  CLICK HERE to view the video

DHW Heater Brochure Downloads:

  English Installation Manual                        French Installation Manual

  English Operation Manual                          French Operation Manual

Fuel lifter pump for installations where the appliance is above the oil tank.

Fuel Lifter Information

For links to even more information, visit our Manufacturer's page.


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