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Mizudo 4.1 GPM Indoor Tankless Water Heater white
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MIZUDO Non-Condensing 4.1 GPM 80,000 BTU -Indoor Natural Gas/Propane Tankless Water Heater White Main Picture
MIZUDO

Non-Condensing 3.6 GPM 80,000 BTU -Indoor Natural Gas/Propane Tankless Water Heater White

Sale price$349.00 Regular price$399.00
(4.8)
Apply code in checkout to $50
SC50
SC50

Advantage Comparison:

4.1GPM, 80,000BTU
4.1GPM, 80,000BTU 5.0GPM, 100,000BTU
Fuel Type:
Mizudo 4.1 GPM Indoor Tankless Water Heater white
Non-Condensing 3.6 GPM 80,000 BTU -Indoor Natural Gas/Propane Tankless Water Heater White Sale price$349.00 Regular price$399.00

Which is the Best for You?

Mizudo 4.1 GPM Indoor Tankless Water Heater white
Non-Condensing 3.6 GPM 80,000 BTU -Indoor Natural Gas/Propane Tankless Water Heater White Sale price$349.00 Regular price$399.00
Non-Condensing 4.3 GPM 100,000 BTU -Indoor Natural Gas/Propane Tankless Water Heater White
Non-Condensing 4.3 GPM 100,000 BTU -Indoor Natural Gas/Propane Tankless Water Heater White Sale price$499.00 Regular price$549.00
Mizudo 4.1 GPM Indoor Tankless Water Heater white
Non-Condensing 3.6 GPM 80,000 BTU -Indoor Natural Gas/Propane Tankless Water Heater White Sale price$349.00 Regular price$399.00
Non-Condensing 4.3 GPM 100,000 BTU -Indoor Natural Gas/Propane Tankless Water Heater White
Non-Condensing 4.3 GPM 100,000 BTU -Indoor Natural Gas/Propane Tankless Water Heater White Sale price$499.00 Regular price$549.00
Model Number

CS80W

CS100W

Temp Rise

Flow Rate @ 33°F Rise: 4.1 GPM
Flow Rate @ 43°F Rise: 3.1 GPM
Flow Rate @ 53°F Rise: 2.5 GPM
Flow Rate @ 63°FRise: 2.1 GPM

Flow Rate @ 33°F Rise: 5.0 GPM
Flow Rate @ 43°F Rise: 3.8 GPM
Flow Rate @ 53'FRise: 3.1 GPM
Flow Rate @ 63°FRise: 2.6 GPM

Maximum Flow Rate

3.7 GPM

4.3 GPM

Maximum BTU input

80,000 BTU

100,000 BTU

Vent Type

Power Vent

Power Vent

Customer Reviews

Based on 29 reviews
83%
(24)
17%
(5)
0%
(0)
0%
(0)
0%
(0)
L
Laura Taylor
Surprisingly easy to install

Was shocked at how easy it was to install. Works wonderfully.

d
danielle1
Reliable Hot Water, Anytime

I’m so happy with this Mizudo tankless water heater! We installed it indoors, and it’s been great for our household. It heats water super quickly and never runs out. Plus, it’s energy-efficient, so we’re saving money on utility bills. Compact design and hassle-free installation. Definitely worth the investment!

C
Chantelle Thibodeaux
Love It! Changer for My Home.

I’m honestly so impressed with the Mizudo Natural Gas Tankless Water Heater. Setting it up was super simple, and it fits perfectly in my tight space. I’ve never had endless hot water before, but this thing delivers—no more waiting for the shower to heat up or worrying about running out mid-wash. It’s also pretty quiet, which I love. Plus, my gas bill has already dropped, so it’s saving me money. Highly recommend this if you want efficiency without sacrificing space!

J
Jim in OH
Works well

Get the 100k btu. You will appreciate the extra flow when the incoming water is really cold and the faster heat up time.

123

Free & Fast Shipping

Shipped within 24h from local warehouse & delivered within 7d

Customer Service

We provide phone technical support from installation to usage

Return & Refund

Mizudo offers customer 30 days return for replacement or refund

Warranty

Mizudo provides 12-24 Months free maintain service for different