Home / Plumbing / Water Heaters / Rheem Water Heaters / Rheem Professional Classic 18kW Tankless Electric Water Heater, 0.3 GPM to 4.4 GPM, Indoor, 2 Heating Chambers
Rheem Water Heaters

Rheem Professional Classic 18kW Tankless Electric Water Heater, 0.3 GPM to 4.4 GPM, Indoor, 2 Heating Chambers

Part #rhrtex18

MFG #RTEX-18

No reviews

$488

.59

each

Quantity Discounts Available - Chat or Call for Pricing

Get Pro Pricing Become a Pro

*Min Order Qty: 1

Qty Interval: 1

In Stock

- Get by Sat, Mar 21 - Wed, Mar 25

Order by 2PM CT for Same-Day Shipping

Available Monday-Friday, Excludes Weekends and Holidays

See Shipping Details

Customer Reviews

You May Also Like

Picture of Rheem Professional Classic 8kW Tankless Electric Water Heater, 0.3 GPM to 1.95 GPM, Indoor, 1 Heating Chamber

Rheem Professional Classic 8kW Tankless Electric Water Heater, 0.3 GPM to 1.95 GPM, Indoor, 1 Heating Chamber

$260

.98

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 14 by Sat, Mar 21 - Wed, Mar 25

Picture of Rheem Professional Classic 24kW Tankless Electric Water Heater, 0.3 GPM to 5.9 GPM, Indoor, 3 Heating Chambers

Rheem Professional Classic 24kW Tankless Electric Water Heater, 0.3 GPM to 5.9 GPM, Indoor, 3 Heating Chambers

$597

.91

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 6 by Sat, Mar 21 - Wed, Mar 25

Picture of Rheem Professional Classic 36kW Tankless Electric Water Heater, 0.3 GPM to 8.8 GPM, Indoor, 3 Heating Chambers

Rheem Professional Classic 36kW Tankless Electric Water Heater, 0.3 GPM to 8.8 GPM, Indoor, 3 Heating Chambers

$981

.64

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 14 by Sat, Mar 21 - Wed, Mar 25

Picture of Rheem Professional Classic 13kW Tankless Electric Water Heater, 0.3 GPM to 3.17 GPM, Indoor, 1 Heating Chamber

Rheem Professional Classic 13kW Tankless Electric Water Heater, 0.3 GPM to 3.17 GPM, Indoor, 1 Heating Chamber

$435

.06

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 8 by Sat, Mar 21 - Wed, Mar 25

Picture of Rheem Professional Classic 27kW Tankless Electric Water Heater, 0.3 GPM to 6.6 GPM, Indoor, 3 Heating Chambers

Rheem Professional Classic 27kW Tankless Electric Water Heater, 0.3 GPM to 6.6 GPM, Indoor, 3 Heating Chambers

$771

.92

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 20 by Sat, Mar 21 - Wed, Mar 25

Picture of Rheem Professional Classic 6kW Tankless Electric Water Heater, 0.3 GPM to 1.5 GPM, Indoor, 220 Volt, 1 Heating Chamber

Rheem Professional Classic 6kW Tankless Electric Water Heater, 0.3 GPM to 1.5 GPM, Indoor, 220 Volt, 1 Heating Chamber

$192

.23

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 2 by Sat, Mar 21 - Wed, Mar 25

Picture of Rheem Professional Classic Plus 4.1 to 6.0 GPM Mid-Efficiency Tankless Natural Gas Water Heater, Outdoor, 11000 - 160000 BTU/H

Rheem Professional Classic Plus 4.1 to 6.0 GPM Mid-Efficiency Tankless Natural Gas Water Heater, Outdoor, 11000 - 160000 BTU/H

$777

.32

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 16 by Sat, Mar 21 - Wed, Mar 25

Picture of Rheem Professional Classic Plus 4.1 to 6.0 GPM Mid-Efficiency Tankless Natural Gas Water Heater, Indoor, Direct Vent, 11000 - 160000 BTU/H

Rheem Professional Classic Plus 4.1 to 6.0 GPM Mid-Efficiency Tankless Natural Gas Water Heater, Indoor, Direct Vent, 11000 - 160000 BTU/H

$880

.89

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 86 by Sat, Mar 21 - Wed, Mar 25

White toilet tank with lid, from a side perspective against a green background.

Briggs Abingdon 1.6 gpf Toilet Tank with Lid, White

$77

.19

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 88 by Sat, Mar 21 - Wed, Mar 25

White Mansfeild Urinal

Mansfield Adam Wall Urinal 0.5 GPF, 3/4 inch Spud, White

$102

.96

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 42 by Sat, Mar 21 - Wed, Mar 25

Picture of Pfister Avalon 1 Handle Kitchen Faucet with Side Spray and Soap Dispenser, Tuscan Bronze

Pfister Avalon 1 Handle Kitchen Faucet with Side Spray and Soap Dispenser, Tuscan Bronze

$171

.09

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 10 by Sat, Mar 21 - Wed, Mar 25

Picture of 8 inch Air-Tite Saddle/Pipe Take Off

8 inch Air-Tite Saddle/Pipe Take Off

$12

.52

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 325 by Sat, Mar 21 - Wed, Mar 25

Picture of Rheem Acid Foaming Condenser Coil Cleaner, 1 gal, Bottle, Red

Rheem Acid Foaming Condenser Coil Cleaner, 1 gal, Bottle, Red

$22

.26

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 178 by Sat, Mar 21 - Wed, Mar 25

A 8 inch Air-Tite Saddle/Pipe Take Off with Damper, featuring a black flange and a silver galvanized steel body.

6 inch Air-Tite Saddle/Pipe Take Off with Damper

$14

.03

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 454 by Sat, Mar 21 - Wed, Mar 25

Stainless steel air filter with blue pleated media on a transparent background

17-1/2 inch L x 21 inch W x 24 inch H Return Air Box with Filter Rack

$105

.73

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 28 by Sat, Mar 21 - Wed, Mar 25

Black Insulated Lineset with Copper Refrigerant line

3/8 inch x 3/4 inch Lineset, 1/2 inch Insulation, 30 ft

$182

.08

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 12 by Sat, Mar 21 - Wed, Mar 25

A 8 inch Air-Tite Saddle/Pipe Take Off with Damper, featuring a black flange and a silver galvanized steel body.

8 inch Air-Tite Saddle/Pipe Take Off with Damper

$18

.74

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 111 by Sat, Mar 21 - Wed, Mar 25

Picture of Infiltrator 24 inch Diameter Polypropylene Tank Lid, Green

Infiltrator 24 inch Diameter Polypropylene Tank Lid, Green

$75

.56

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 32 by Sat, Mar 21 - Wed, Mar 25

Picture of 16 inch Galvanized 90 Degree Adjustable Steel Elbow, 26 Gauge

16 inch Galvanized 90 Degree Adjustable Steel Elbow, 26 Gauge

$30

.17

each

*Min Order Qty: 1

Qty Interval: 1

Order by 2PM CT for Same-Day Shipping

Get 286 by Sat, Mar 21 - Wed, Mar 25

Discover More from SquarePeg

Join our community to access more resources and the latest updates. Our mission is to provide you with the best solutions for your professional and personal projects.