Bosch940 ES NG Tankless Water Heater, Natural Gas

Q: I have an Aquastar , would like to replace. It vents into a 4" standard pipe that my furnace connects to and thru the. Is this acceptable?

No. The unit need to be vented direct to the outside using 4" stainless steel sealed venting. The intake air can be taken from the outside using 3" PVC or you can put a 3" PVC elbow with screen on the top if the attic has a lot of combustion air. The unit also requires a minimum of a 3/4" gas line. Globaltowne is an Authorized Bosch Distributor.

Q: Would this unit fit up exactly to an existing 15 year old Bosch Aqua Star ?

I am not sure what model you had before but the new ones now are almost 7" taller. This unit measures 30.5 H x 17.875 W x 11.25 D. GlobalTowne is an Authorized Bosch Distributor.

Q: Can the combustion air come from the attic? It is well vented.

No. The unit need to be vented direct to the outside using 3" stainless steel sealed venting. The intake air can be taken from the outside using 3" PVC or you can put a 3" PVC elbow with screen on the top if the attic has a lot of combustion air. The unit also requires a minimum of a 3/4" gas line. Globaltowne is an Authorized Bosch Distributor.

Q: Can it vent to chimney?

Yes, you can vent the Bosch 940ES NG into the chimney but the 3" stainless steel venting has to run all the way up the chimney to a raincap. GlobalTowne is a Bosch authorized distributor.

3.7/5

Product ID: 26461952

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Details

Brand
Bosch
Special Feature
high-capacity
Color
Gray
Maximum Flow Rate
9.4 Gallons
Is Electric
No

💧9.4 GPM capacity

🔄Versatile venting options

🔥199,000 BTU max input

Frequently Bought Together

Description

💧 Endless Hot Water Awaits!

HIGH FLOW RATE - Enjoy a robust 9.4 gallons per minute, perfect for simultaneous use.
UNMATCHED POWER - Experience a staggering 199,000 BTU max input for endless hot water.
FLEXIBLE VENTING - Choose between vertical or horizontal venting with durable stainless steel.
INNOVATIVE DESIGN - Features electronic ignition and a patented burner for efficiency.
COMPACT EFFICIENT - Sleek design (12 x 18 x 31 inches) fits seamlessly into any space.

The Bosch 940 ES NG Tankless Water Heater is a high-capacity, non-condensing model that delivers an impressive 199,000 BTU max input and a flow rate of 9.4 gallons per minute. With versatile venting options and an innovative burner design, this unit is perfect for modern homes seeking efficiency and reliability.

Specifications

Brand	Bosch
Special Feature	non-condensing, high-capacity
Color	Gray
Maximum Flow Rate	9.4 Gallons Per Minute
Is Electric	No
Manufacturer	Bosch
Item Depth	12 inches
UPC	052575109404
Global Trade Identification Number	00052575109404
Part Number	940 ES NG
Item Weight	67 pounds
Product Dimensions	12 x 18 x 31 inches
Item model number	940 ES NG
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Special Features	non-condensing, high-capacity
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

I have an Aquastar , would like to replace. It vents into a 4" standard pipe that my furnace connects to and thru the. Is this acceptable?

Would this unit fit up exactly to an existing 15 year old Bosch Aqua Star ?

Can the combustion air come from the attic? It is well vented.

Can it vent to chimney?

Common Questions

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