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Crossover Floor Water Heater

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The Crossover Residential/Commercial Floor Water Heater is a revolutionary product and was designed to be the most highly efficient affordable residential tank type product in the industry. These models combine the flow capacity of a 50 gallon tank type water heater with the continuous flow feature found in tankless water heaters.
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Model Btuh/Input Range Efficiency Rating Energy Guides
RGH-75F 37,500-75,000 .83 EF/ .88 UEF
RGH-76F 37,500-76,000 95% TE N/A
RGH-100F 50,000-100,000 95% TE N/A


  • Holds a full 20 gallons of up to 167 F hot water and then mixes the delivered temperature down
  • Fills a 40 gallon tub at the same rate as a traditional 50 gallon tank type water heater
  • Produces more first hour delivery than traditional tank type water heaters (50 gal)
  • Features a built in fire tube heat exchanger, surrounded by a stainless steel tank which resists corrosion and lasts longer than traditional models
  • Compatible with recirculation systems
  • Ultra low NOx emissions leave almost no carbon footprint
  • Extra thick insulation in combination with a small water storage volume reduces standby loss
  • Equipped with an ASSE 1017 domestic rated thermostatic valve piped to the outlet to increase first draw capacity & control the outlet temperature for reliable control

Outstanding Quality

The Crossover is made with an advanced stainless steel integrated fire tube heat exchanger for superior performance. The RGH-75 model has a .83 Energy Factor and a .88 Uniform Energy Factor, while the RGH-100 has a 95% thermal efficiency rating. These units are preset for natural gas and ship with a liquid propane conversion kit. Its durable heat exchanger provides zero flow activation and scale prevention technology.

The Crossover's Multi-function Control Panel features a customized temperature control system. This control system includes a user-friendly flow control, flow sensor, and a heat capacity control system. These controls work together to make domestic hot water even more comfortable by maintaining constant temperature while the unit is in use.

Small Footprint, Big Output

Crossover Floor

The Crossover can be used in several applications, such as space heating, recirculation, solar water heating and geothermal applications. It vents up to 50 in 2 pipe or up to 100 in 3 pipe. This revolutionary product provides more hot water than a standard water heater with a small footprint.

It is lightweight at 110 lbs and is 22 inches in diameter and 44.7 inches tall. with a stainless steel tank, making it easy to install in attics. It is equipped with multiple safety features such as a T&P valve, vent blockage APS, flame rod, fan RPM check, eco burner plate and eco water limit. It is high altitude compliant and certified to operate properly at up to 10,000 feet about sea level.

Cost Savings

The Crossover is fully condensing and achieves up to a 95% efficiency rating, meaning that for every dollar spent on fuel, 95 cents is used to heat your hot water. That is a great savings! The industry average is as low as 70% for standard tanks. The RGH models have half the storage and twice the Btuh which results in a recovery rate that is 4 times faster than traditional storage units.

Advanced Assurance

The Crossover Floor unit is backed by a limited 6 year residential warranty or a limited 3 year commercial warranty, right out of the box! No registration is required. View Warranty

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