Instantaneous (Tankless) 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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