#1 Home Improvement Retailer

Internet # 327122306

Model # CA422

Store SKU # 1010304481

4.22 GPM 102,000 BTU Indoor Smart Propane Tankless Water Heater

Buy 3 or more $449.99
Apply Now
Save up to $100 on your qualifying purchase info
Apply for a Home Depot Consumer Card
  • Continuous hot water, shower, car wash, barn, cabin
  • Electronic touch screen control with digital display
  • Include a single vent pipe for intake and exhaust
  • View More Details
0 in stock
Free & Easy Returns In Store or Online
Return this item within 90 days of purchase. Read Return Policy

Product Details

About This Product

Camplux indoor thermostatic tankless water heaters, are compact, easy to install, and operate using propane gas and designed. Energy-efficient and offer a continuous supply of hot water, which is a significant advantage. This high-capacity heater features sleek black tempered glass panel, fully automatic temperature controls for precision, and a touch screen with an LED temperature display that shows output temperature and GPM flow. With child locking technology and with innovative combustion technology and advanced multiple protection systems, making it perfect for whole house use, apartment, and small homes where you need more than one hot water application at the same time.


  • Continuous Hot Water, Camplux performance platinum tankless water heaters heat water when you need it, for as long as you need it, and the 4.22 GPM model can provide enough hot water to supply up to 2 bathrooms at the same time.
  • Comfortable Temperature Control, with advanced incoming and outgoing water temperature sensor technology, rated at 4.22 GPM at 102,000 BTUs with a temperature rise of 38 degrees.
  • Simple Operation, touch screen control with LED display and power on/off, adjust the temperature setting from 50 to 150°F.
  • Easy to Maintain, for easy troubleshooting, our maintenance notice setting alerts you with a flashing warning code.
  • High Efficiency and Safety, built-in forced DC fan eliminates the influence of external wind, so as to ensure the stability of combustion and no flameout.
  • Save Energy, with Camplux exclusive water savings setting, with no stand-by energy loss or recovery time necessary, to save up to 50% on water heating costs compared to a typical tank water heater.
  • Space Saving, wall mounted, only 1/4 the size of a 50 gallon tank water heater, suitable for installation in non-traditional spaces such as crawl spaces and attics.
  • Strong and Durable, water input or output is made of brass, 56% oxygen-free copper heat exchanger, 20% stainless steel combustion chamber.
  • What's included: 1 x Water Heater with a 120 V power cord, 1 x Horizontal Vent Pipe, 1x Installation Hardwares, 1x Instruction Manual.
  • Camplux Customer Support: Provide comprehensive customer support services, including online services, product warranty 1 year, user manuals, troubleshooting guides.
  • Return Policy

Product Information

Internet # 327122306

Model # CA422

Store SKU # 1010304481


Dimensions: H 24.21 in, W 14.25 in, D 6.69 in


Product Depth (in.)

6.69 in

Product Height (in.)

24.21 in

Product Width (in.)

14.25 in

Vent diameter (in.)

3 in

Water Connection Size (in.)

1/2 in


Application Type


BTU Rating

102, 000 BTU/ Hr

Efficiency Level


Finish Family


First Hour of Delivery (gallons/hr)


Flow Rate @ 35°F Rise (gallons/min)

4.22 gal (US)/min

Flow Rate @ 45° Rise (gallons/min)

3.8 gal (US)/min

Flow Rate @ 55° Rise (gallons/min)

3.5 gal (US)/min

Flow Rate @ 65° Rise (gallons/min)

3.1 gal (US)/min

Fuel Type


Gas Connection Size

1/2 in

Gas Type


Heat Exchanger Warranty

1 Year



Maximum Temperature (F)

140 F

Minimum Activation Rate (gpm)


Minimum Temperature (F)

50 F

Number of Showers


Pack Size


Product Weight (lb.)

26.5 lb

Required Volt Connection

120 volt



Total BTU (Btu)

102000 Btu

Uniform Energy Factor


Vent Type

Type B Double Wall

Water Connection Location


Water Heater Features

Digital Display, Overheat Protection, Wall Mounted

Warranty / Certifications

Certifications and Listings

CSA Certified

Labor Warranty

1 Year

Part Warranty

1 Year

Questions & Answers

Q:Can this unit vent vertical through a roof?
by|Nov 5, 2023
1 Answer
Answer This Question

A:  To avoid things like water getting into the water heater, we recommend installing Vent Pipe horizontally.

by|Dec 14, 2023
    1 found this answer helpful
    Showing 1-1 of 1

    Customer Reviews

    5 out of 5

    • 5 out of 1 reviews
    • 100% recommend this product
    Filter by:
    Showing 1-1 of 1 reviews
    It is very very nice!
    This water heater is simple, straightforward, and incredibly nice!! It will be a few weeks until we can get it up to camp but this is perfect. Its small footprint means we can tuck it into a small utility room inside the living space. It was delivered in perfect condition and there was no damage to the stove pipe which was a relief! Anyways this unit is about as straightforward as it gets and we are looking forward to installing this in the next few weeks. until then we are very very happy with this water heater! Great Product!!
    • Recommended
    1 found this review helpful
    Showing 1-1 of 1 reviews