A Capillary Temperature Control Switch is an essential thermostat device for geysers to maintain correct water temperatures and operate safely. The switch operates on a capillary tube containing a viscous fluid that is temperature sensitive to switch on power to the geyser's heating element. The switch turns the power off under overheating conditions when the preset maximum water temperature has been reached, and reconnects the power again as the water temperature drops. The Capillary Temperature Control Switch is renowned for being accurate, dependable, energy efficient, and has many applications in water heating systems, domestic, industrial or commercial.
Jaye Heater Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of capillary temperature control switch for geysers in China, also supports custom service. Welcome to wholesale high quality capillary temperature control switch for geysers at competitive price from our factory.
A Capillary Temperature Control Switch is an essential thermostat device for geysers to maintain correct water temperatures and operate safely. The switch operates on a capillary tube containing a viscous fluid that is temperature sensitive to switch on power to the geyser's heating element. The switch turns the power off under overheating conditions when the preset maximum water temperature has been reached, and reconnects the power again as the water temperature drops. The Capillary Temperature Control Switch is renowned for being accurate, dependable, energy efficient, and has many applications in water heating systems, domestic, industrial or commercial.

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Specification |
Details |
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Temperature Range |
Adjustable from 30°C to 90°C (or customized as per requirement). |
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Capillary Tube Length |
300mm to 1500mm (customizable based on application). |
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Sensor Bulb Material |
Stainless steel or copper for corrosion resistance. |
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Switch Type |
SPST (Single Pole Single Throw) or SPDT (Single Pole Double Throw). |
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Voltage Rating |
220V-250V AC or 110V-125V AC. |
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Current Capacity |
10A, 15A, or 20A, depending on the model. |
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Accuracy |
±3°C for precise temperature control. |
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Housing Material |
Flame-retardant ABS or polycarbonate for safety. |
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Mounting Type |
Panel mount, surface mount, or immersion type. |




Why Choose Our Capillary Temperature Control Switch
1-Temperature Regulation: Keeps the temperature of the water consistent for comfort for the user.
2-Energy-saving: Controls the circuit to avoid overusing electricity with constant heating cycles.
3-Safety: The built-in overheat protection eliminates the risk of fire, as well as damaging the tank.
4-Heavy Duty: Tough materials withstand consistent use in hot and wet environments train for efficiency.
5-Variable: Different lengths, temp ranges, or mountings are available for certain specifications.




Capillary temperature control switches are versatile and essential for all different types of water heating systems. Here is a list of the different categories of use:
• Domestic Geysers: Control the temperature of the water to prevent overheating.
• Industrial Water Heaters: Manage the temperature of water for cleaning and manufacturing porposes.
• Solar Water Heaters: Control the temperature of the water and avoid overheating from excess solar energy.
• Instant Water Heaters: Allow precise and on-demand temperature control.
• Commercial Use: Provide consistent hot water supply in hotels, health centers and spas.
• Industrial Processes: Control the temperature of water used in chemical, food, and textile processes.
• Portable Devices: Control the heating of water in a compact and travel-size system to ensure safe heating.
Please contact us for a quotation or more details.

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