Non-Condensing 4.3 GPM 100,000 BTU -Indoor Natural Gas/Propane Tankless Water Heater White
- CSA Certified – Overheat & flameout protection
- Endless Hot Water – 4.3 GPM, precise temp control
- Durable & Efficient – Oxygen-free copper tank
- Compact Design – 50% space-saving vs. tank heaters
- Energy-Saving – UEF >0.81, heats only when needed
Advantage Comparison:
4.3GPM, 100,000BTUFree Shipping
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- Quality Certification: MIZUDO tankless gas water heater has passed CSA certification and has protection functions such as overheating protection and accidental flameout protection.
- Endless Hot Water: Up to 4.3 GPM hot water flow, precise temperature control, no water temperature sandwich.
- Premium and Durable: Adopt oxygen-free copper water tank, reduce heat loss, high efficiency and durability.
- Compact Design: Dimensions are H 20.5'' x W 13.0'' x D 7.0''. Save over 50% of available space compared to tank water heater.
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Energy Conservation: The UEF is higher than 0.81 and consumes energy only during heating.
User Manual
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Advantage Comparison:
4.3GPM, 100,000BTU
Which is the Best for You?
CS100W
CS80W
Flow Rate @ 33°F Rise: 5.0 GPM
Flow Rate @ 43°F Rise: 3.8 GPM
Flow Rate @ 53'F Rise: 3.1 GPM
Flow Rate @ 63°F Rise: 2.6 GPM
Flow Rate @ 33'F Rise: 4.1 GPM
Flow Rate @ 43°FRise: 3.1 GPM
Flow Rate @ 53°F Rise: 2.5 GPM
Flow Rate @ 63°FRise:2.1 GPM
4.3 GPM
3.7 GPM
100,000 BTU
80,000 BTU
Power Vent
Power Vent
0.53 GPM
0.53 GPM
2000ft
2000ft
Min. 3.5”W.C. (0.87KPa)
Max.10.5”W.C. (2.61 KPa)
Min. 3.5”W.C. (0.87KPa)
Max.10.5”W.C. (2.61 KPa)
Min. 8.0”W.C. (1.99 KPa）
Max. 13.0”W.C.(3.23 KPa)
Min. 8.0”W.C. (1.99 KPa）
Max. 13.0”W.C.(3.23 KPa)
95 - 149 °F
95 - 149 °F
15-150 PSI(0.1-1.0 MPa)
15-150 PSI(0.1-1.0 MPa)
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
20.5"13"7"
20.5"13"7"
21.38lbs
21.38lbs
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Frequently Asked Questions
All of gas tankless products do require gas and electric to function. If there is a loss of power, the unit will no longer be able to fire. We do recommend you purchase a back up battery or use with a generator if you are in an area where power loss is prevalent.
Hot water requires a waiting time, which is determined by the distance between your water heater installation location and the outlet point.
1. Energy saving and money saving
2. Longer service life
3. Less space occupation
4. Continuous and endless hot water
The item does not come with an exhaust inside. If you need it, you can choose to buy it below.
Not recommended above 2000 feet.