Tankless Radiant Heaters - Electric Tankless Hot Water Heater Model RH-18-4 - 240 Volt Model. Check the Square Footage Chart.  With advancements in technology, on demand water heaters have evolved into systems that will supply all hot water needs for a home or just the heat for radiant floor heating or just the hot water for showers. This heater is good for areas from 1800-2400 square feet

MINIMUM 150 AMPS HOUSE ELECTRICAL SERVICE!  NOTE: Sold and shipped with fittings as per photo.


Dimensions: 14.5”W x 17”H x 7.75”D (With Fittings, center to center)
For overall width, add 1.5”
Weight: 46 Lbs. Shipped
Material: Stainless Steel Exchanger
Box: White Aluminum Casing
Pipe Size: 3/4” Stainless Steel Female IPS
Voltage: 208/240 Single Phase
Max AMPs: 75 (2x50 AMP Double Throw 220 volt breakers)
BTU Output: 61,416
Efficiency: 98.9%,
Operating Range: 0-150 PSI
Protection: Dual Thermals

Manufacturer’s Suggested Price $1,100

For Contractors or Distributors
Click here to request a Quote for the RH-18-4

We strongly recommend taking advantage of this service as you get recommendations on what you need and the best place to buy them. We also manufacture complete radiant systems including the manifolds, heat transfer stations, pumps, pump control systems, thermostats, and all other related items that you can purchase at www.radiantheatingmanifolds.com.

Other products in this category: RH-12-4 RH-16-4 RH-24-4

radiant heaters
radiant floor heaters

Tankless, Inc. 2060 Whitfield Park Ave., Sarasota, FL 34243 Phone: 1-800-TANKLESS 1-800-826-5537
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