hot water heater xr90

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Product thermal capacity: 0.7 - 14 MW

Working pressure: 0.7 - 1.25 Mpa

Available fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Available industries: Heat supplying, hospital, hotel.


WNS series horizontal internal combustion boiler is classic 3-pass wetback oil/gas fired boiler. After fuel is atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, called 1st pass; the high temperature flue gasses are collected in reversal chamber and then enter 2nd pass, which is grooved tube bundle area through heat convection, air temperature gradually falls and flows to front smoke box and enter 3rd pass, which is done in the smooth tube bundle area, and then through back smoke box lead to chimney and exhausted to the atmosphere.

Technical Advantages

Digitized Manufacture

The key processes including material cutting, rolling, drilling are made by advanced CNC machining process to reduce the assembly stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine with tidy and beautiful look.

Easy Operation and Maintenance

Fully intelligent operation, with automatic adjustment and protection of burning, water level, temperature and steam pressure. The smoke box door uses the hinge structure for easy inspection, inventory and cleaning.

Long Service Life

The way to weld Smoke tube and tube sheet is to first expand to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boiler service life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint are test by radiographic inspection.
Fin tube uses ND steel or stainless-steel material to avoid corrosion in the low temperature.
Inspection stops are set up to guarantee the sequence of expanding and welding to avoid cracking of the tube sheet holes.

Less Fuel Consumption

High quality aluminum silicate fiber is used with fire clay insulation, to control the boiler body temperature below 45℃ and reduce heat lost.
Sufficient steam storage room and heating area to generate high quality steam and high thermal power.
Condenser is added to recycle the waste heat of the exhausted smoke to increase feeding water’s temperature and reduce flue gas emission temperature and increase the thermal efficiency over 98% and save operating cost.

Rheem High Efficiency Gas Water Heate

XR90. A model 43V30-60 is the 29-gallon gas water heater that is designed to provide high energy factor of 0.70, which, with the 60,000 BTU gas input, first hour rating of 90 GPH and recovery rate of 61 GPH, outperforms the standard 50-gallon unit. It is built with a smaller footprint to

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Standard gas water heaters produce extremely hot air during combustion, which moves the combustion gases quickly up the chimney. The XR90 is much more efficient XR90 Water Heater Rheem XR90 Specifications 0 50 100 150 200 250 300 350 XR90 29 Gal. 50 Gal. 42V50-40F Annual Operating Cost Dollars 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80

In the Spotlight: Rheem XR90 Extreme Recovery Ga

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hot water heater xr90 - roelfsemamediation.

Rheem XR90 Water Heater: Faster Heating at Less Cost. 2011-7-8 · The XR90 meets, and in most cases, exceeds the available hot water provided by a standard 50-gallon gas water heater. It has a first hour rating (FHR) of 90 gallons—meaning homeowners get three times the amount of hot water in an hour than what the tank actually holds.

Rheem Debuts a Compact, 29-Gallon Residentia

2011-7-7 · The Rheem XR90 is the only gas tank-type water heater that can fit in the same space as many 30-gallon and most standard 40- or 50-gallon gas water heaters, while still providing enough hot water

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