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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:

GWH635ES 635ES Direct Vent                              GWH425HN.pdf  425HN Hydro Spark Chimney Vent

GWH715ES.pdf  715ES Direct Vent                             GWHC800ES.pdf  C800ES Condensing Direct Vent

GWH345-450ESR.pdf  345-450ESR Combo Direct Vent   Bosch-ProTankless_AM.pdf  Bosch ProTankless Applications Manual

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

ARISTON  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.pdf  RP1P-12P 3.0 to 12.0 kW                RP17-RP27.pdf  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.

waiwela-brochure-PH28-residential.pdf  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.

TOYOTOMI  All Product Brochure (English)   TOYOTOMI  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:

TOYOTOMI Video  CLICK HERE to view the video

DHW Heater Brochure Downloads:

OM-148_INSTALL  English Installation Manual                      OM-148_INSTALL  French Installation Manual

OM-148_INSTALL  English Operation Manual                        OM-148_OM(French)  French Operation Manual

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

Information Fuel Lifter Information

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

Most of our PRODUCT INFORMATION SHEETS are in Adobe Acrobat Reader PDF format. To download the latest version of the FREE software

Adobe PDF Click Here

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