Scheduled delivery to your door.
A scheduled delivery is available only Monday - Friday during normal business hours and used for heavy and oversized items (large TVs, large furniture and large appliances). This service does not include unpacking, plugging in, installation or debris removal. If there are any stairs leading to your delivery, please contact a sales associate for a quote.
Note: Scheduled delivery services are available to most of the contiguous United States (available in parts of Alaska and Hawaii). Call 800-860-3577 for more information.
Note: Scheduled delivery services are available to most of the contiguous United States (available in parts of Alaska and Hawaii). Call 800-860-3577 for more information.
Main Content
Reliance 40 Gallon Short Natural Gas Water Heater - 6 40 NBCS
Model # 6 40 NBCS
Abt # 640NBCS
UPC # 091193004838
- 40 Gallons Nominal Capacity
- Self-Cleaning PEX Dip Tube
- Environmentally-Friendly Non-CFC Foam Insulation
- Uses Natural Gas
- Grey Finish
See other products in
Your Price:
$848
Regular Price:
Comp. Value: $1,054
Special financing as low as $71/mo
$71/mo
suggested payments with 12 month special financing.
Get a decision in seconds with no impact to your credit bureau score.
or
View
Your Price:
$848
Regular Price:
Comp. Value: $1,054
Ask Bolt?
Reliance 6 40 NBCS 40 Gallon Short Natural Gas Water Heater
The Reliance 40 Gallon Short Natural Gas Water Heater – 6 40 NBCS is engineered for households seeking a reliable, efficient, and environmentally responsible solution to their hot water needs. Compact in design with a durable grey finish, this water heater fits seamlessly into smaller spaces while still delivering robust performance. Utilizing natural gas as its fuel source, it combines cost-effectiveness with energy efficiency. Innovative features such as an electronic gas control valve for precise temperature management, self-cleaning technology to reduce sediment build-up, and non-CFC foam insulation make it a standout option for homeowners who value long-lasting quality and modern convenience.
Features
- Electronic gas control valve that provides precise temperature control and operational status
- Self-cleaning PEX dip tube helps reduce sediment build-up and maintain efficiency
- Glass-lined tank with anode rod protects against corrosion
- "Environmentally-Friendly" Non-CFC foam insulation
- Piezo igniter allows for easy "one-hand" pilot ignition without matches
- Factory-installed PEX polymer lined heat trap nipples
- Factory-installed temperature & pressure (T&P) relief valve
California customers:
Related Guides and Articles
Frequently Asked Questions
-
This water heater uses natural gas as its fuel source, providing efficient and cost-effective heating.
-
Yes, it includes a self-cleaning PEX dip tube which helps reduce sediment build-up, maintaining the heater's efficiency over time.
-
It features environmentally-friendly non-CFC foam insulation that helps retain heat and improves energy efficiency.
-
Yes, the unit comes with a factory-installed temperature and pressure (T&P) relief valve for safety and durability.
-
The water heater has a piezo igniter that allows for easy one-hand pilot ignition without the need for matches.

