Instantaneous Hot Water Heaters
Bosch water heaters combine unsurpassed quality, reliability and economy to provide
the discerning homeowner with the most cost effective and environmentally sound, water heating solutions available.
Benefits
- Reduce power consumption 25%-35% over traditional gas hot water heaters.
- Switching from electric to gas? You'll save 50-60% on your water heating bill.
- Space saving design lets you to squeeze more living into less square footage.
- Unlimited supply of hot water.
- Bosch hot water heaters reduce CO2 emissions.
- You'll be a part of the new generation of environmentally efficient home builders.
- Bosch hot water heaters are fully CGA and AGA approved and certified.
- Bosch hot water heaters are truly recyclable - fully repairable - all parts replaceable.
Features
- Pushbutton piezo-electric pilot - no matches required to light pilot.
- Automatic flame failure gas cutoff and safety interlocked controls.
- Long life, high quality copper heat exchanger.
- Available in LP or natural gas.
- Automatic overheat protection provided by high temperature limiter and pressure relief valve.
- High efficiency, low maintenance stainless steel burners.
- All parts in contact with water are stainless steel, copper or brass.
- Easy wall mounting and hook ups.
- Units may be connected in parallel in order to exceed the capacity of a single unit.
- No electricity required for operation - still have hot water with power outage.
- Efficient modulating burner automatically adjusts to flow.
- Temperature selection knob allows wide range of flows and temperatures.
Specifications: Now Available Small and compact, this unit is available in propane and now in Natural
Gas. It is popular in cottages, R.V. and marine, hot tubs, portable bush showers, animal grooming, mobile blind
cleaning trucks, mobile food service trucks etc.
W125-K
WR400-1K
in Natural Gas!Flow controlled, this modulating unit, combines high efficiency with high
output, plus minimum flow rate. Output temperature may be present to any level between 90 degreesF and 140 degreesF,
and the selected temperature will be maintained within + or - 5 degreesF indefinitely. Suitable for single family
residential or commercial/industrial, including use as a 180 degreeF booster for sanitation systems. The WR400
is compatible with virtually all residential appliances and plumbing equipment. Simple to install, no field adjustments
necessary.
W125-K
WR400-1K
Rated Input (BTU/HR)
40,000
117,000
Minimum Input (BTU/HR)
20,000
33,000
Maximum Flow Rate (GPM)
1.3
4.0
Minimum Flow Rate (GPM)
0.6
0.5
Hot Water Output (GPM)
(a) 45 degree rise (F)
(b) 100 degree rise (F)
1.3
0.6
(1.0 - 4.0)
(0.5 - 1.8)
Flue Size
4"
5"
Water Inlet (NPT)
1/2"
1/2"
Water Outlet (NPT)
1/2"
1/2"
Gas Inlet (NPT)
1/2"
1/2"
Overall Size:
Height
Width
Depth
25 3/8"
10 5/8"
9 1/8"
30 5/16"
17 5/16"
8 11/16"
Shipping Weight
25
44
Gas Consumption:
LP-GAS (lbs./hr)
NAT.GAS (Cu.F./Hr.)
0.9 - 1.8
18.0 - 36.0
.36 - 1.29
30.6 - 108.8
Inlet Water Pressure:
Min. working pressure (PSI)
Max. working pressure (PSI)
13
100
18
100
Gas Inlet pressure requirements:
LP-GAS (
NAT. GAS (
11
7
11
7
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