A gas fired tankless natural draft hot water heater has a draft hood and uses no fan or blower but relies on gravity to expel the exhaust gas out of the house.
It needs no electricity to operate. Even during power outage, user still can get endless hot water. Without moving part like fan or blower, it is more reliable. And it generally costs less than a forced draft water heaters.
Our natural draft models with 10L and 12L capacity are most popular among our customers. Models ranging from 6L-7L-8L-10-12L are available, too. All models can be customized as per customer’s logo.
Item NO.:
ND6L 7L 8L 10L 12LPayment:
T/T, LC at sightProduct Origin:
ChinaColor:
White, GrayShipping Port:
Zhongshan, GuangzhouProduct weight:
11kgFEATURES & STRENGTHS
- Wide range temperature adjustment.
- Low water pressure start-up.
- Tin-coated high efficient heat exchanger.
- Automatic electronic pulse ignition.
- Multiple safety protection, flame out, over pressure protection, over heat protection etc.
- Power and hot water temperature regulation uses easy to read LCD and mechanical knobs
- Battery power supply, No electricity required.
- Compact size and light weight
INTERNAL STRUCTURE
TECHNICAL DATA
| Model | 10L | 12L |
| Rated Heat Load（kW） | 20 | 24 |
| Rated Hot Water Production | 10L/min（△t=25K时） | 12L/min（△t=25K时） |
| Adjustable Hot Water Temperature | 30~85℃ |
|
| Gas Consupmtion at Nomial Capacity | LPG 0.16kg/h NG 1.6M3/h | LPG 0.2kg/h NG 2.0 M3/h |
| Efficiency | 84% | 84% |
| Electric Supply | DC 3V | DC 3V |
| Min Working Pressure | 0.02 bar | 0.02 bar |
| Min Working Flow Rate(L/min) | 3 | 3 |
| Fuel Type | LPG/Natural Gas（12T） | LPG/Natural Gas（12T） |
| Rated Gas Pressure（Pa） | 2800/2000 | 2800/2000 |
| Nozzle Diameter | LPG 0.63 NG 0.94 | LPG 0.64 NG 0.98 |
| Flue Gas Temp.at Min Output | 220℃ | 220℃ |
| Flue Gas Temp.at Max Output | 50℃ | 50℃ |
| Dimension(mm) | 580×350×113 | 580×350×113 |
| Package Size(mm) | 720×395×195 | 720×395×195 |
| GW/NW(kg) |
9/10 |
10/11 |
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
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FEATURES 76cm Stainless steel surface Cast iron pan support 2X 5.5 Triple Ring Work Burner 2 X 7.5Semi-rapid Burner 1 X Auxiliary Burner Heat Load(Kw): 2*5.5/1.75 OPTIONAL SS：201/304 Color：white/black Gas type：LPG/NG Safety device：FFD(Flame failure device) Knobs：metal/bakelite Ignition:110V/220V/1.5V INSTALLATION AND SHIPPING Product Dimension(L*W*D): 760*450*120 MM Cuts-out:700*390*R20 MM Package Size(L*W*D):800*490*175 MM Loading(20FT/40HQ): 400PCS/960PCS
S-L28M3C is a fully premixed condensing combi boiler with efficiency over 107.8% and very low carbon dioxide. It is equipped with Sertima Stainless Steel Coil Main Heat Exchanger and SIT Gas Valve and Blower.
Specifications Material： SS430 Air flow: 400m3/h Switch: Push button Filter： 2 pcs baffle filter Light： 2x1W LED Power: 1x 200w Chimney Height: 400mm Packing Carton dimensions: 950*415*535mm( 90CM) Loading: (20GP/40HQ)133/322(90CM) Optional Air flow: 550m3/h Filter:Aliminum filter Charcoal filter:with/without
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