In the high temperature areas in the south, both electrothermal type and gas type can coexist. In areas with long sunshine, the solar type can be selected. In areas with gas or low temperatures, gas showers should be selected.
The choice of gas type is:
1. Gas gas species. There are 3 kinds of gas types: LPG, natural gas and artificial gas. The gauge pressures are 28, 20 and 10 HPa, respectively. According to the type of gas used in your own home, select the appropriate model. General models can also be used. Insufficient water pressure can be equipped with a booster pump.
2. Ignition method. There are piezoelectric ignition type and electric pulse ignition type two. The latter is easy to use, the former longevity. 3. Flameout protection. Thermal expansion type, thermocouple type, photoelectric type and flame flame ionization type are common. The first two are commonly used and the latter two are advanced. Each has its own advantages and disadvantages. The thermocouple type is most practical.
4. Gas structure. To be selected as a safety-balanced type, the balanced type is not likely to cause carbon monoxide poisoning, and is a new form of gas type. There are some models of Guangdong Feilu brand.
5. Additional features. There are oxygen deficiency, flameout alarm and automatic air-off, energy switching thermostat, antifreeze, anti-blocking, anti-cut water, water temperature and water volume computer control. Many functions are more secure and reliable, but they are also expensive.
6. To recognize that the selected model of gas is the same as its own type of gas.
Conditions should be connected to gas, water trial. Bright sparks and arc length when firing. Probes that use a lighter to extinguish a flameout protector should be able to hear the opening sound of the valve. All functions in the trial are normal, no leakage or run-flat.
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