- Catalog
- Find A Branch
- KeepStock
- Help
- 1-800-GRAINGER
Register
Sign In
Sign In to access your account information.
Sign In Register Forgot User ID? Forgot Password?All Products
Unrelated Links
Product Categories
- All Product Categories
- Abrasives
- Adhesives, Sealants and Tape
- Cleaning and Janitorial
- Electrical
- Electronics & Batteries
- Fasteners
- Fleet & Vehicle Maintenance
- Furnishings, Appliances & Hospitality
- HVAC and Refrigeration
- Hardware
- Hydraulics
- Lab Supplies
- Lighting
- Lubrication
- Machining
- Material Handling
- Motors
- Office Supplies
- Outdoor Equipment
- Packaging & Shipping
- Paints, Equipment and Supplies
- Pipe, Hose, Tube & Fittings
- Plumbing
- Pneumatics
- Power Transmission
- Pumps
- Raw Materials
- Reference and Learning Supplies
- Safety
- Security
- Test Instruments
- Tools
- Welding
Sign In
Sign In to access your account information.
Sign In Register Forgot User ID? Forgot Password?Gas Tankless Water Heaters
6 products
Gas tankless water heaters produce a continuous supply of hot water as needed reducing energy usage. These gas-powered heaters, also called instantaneous or on-demand, use natural gas or propane to heat the water. Tankless water heaters have a smaller footprint well suited where space is limited and can be installed indoors or outdoors.
Brand
Standard Efficiency Indoor Commercial Gas Water Heaters
Standard efficiency commercial gas water heaters meet the daily demands for hot water. These tankless indoor units use direct venting by pulling in air from the outside. The combustion fan blows exhaust from the heater horizontally and vents to terminate on a side wall.
Natural Gas
| Loading... | |||||||
Liquid Propane
| Loading... | |||||||
High-Efficiency Indoor Commercial Gas Water Heaters
High-efficiency (HE) water heaters include a secondary heat exchanger that maximizes the heat transfer process to extract as much heat energy (Btus) as possible without a lot of waste. These gas water heaters are rated for indoor use and extract heat energy out of the exhaust gases to heat the water. HE commercial gas water heaters have higher thermal efficiency ratings than standard water heaters.
Natural Gas
| Loading... | |||||||
Liquid Propane
| Loading... | |||||||