«Payment by installments» of monobank
payments
of $6.00
No commission. The customer`s billing phone number must match the monobank customer`s financial number
Thermostat (temperature controller) for boiler MMG HU-20-M
Description: The MMG HU-20-M thermostat-temperature controller is designed to manage the temperature in boilers. It provides reliable and precise temperature regulation in the range of 7 to 75 °C, making it ideal for use in water heating systems. This model features a capillary type, ensuring stable operation and high measurement accuracy.
Technical specifications
| Parameter | Value |
|---|---|
| Type | Capillary |
| Model | HU-20-M / 7-75°C |
| Electrical characteristics | 16 A (~250 V) |
| Temperature control range | 7-75 °C |
| Connection | 2 terminals 6.3 mm + 1 terminal 6.3 mm (ground) |
| Capillary tube dimensions | Ø 1 mm (without sheath), length 1000 mm (±20 mm) |
| Bulb dimensions | Ø 6 mm, length 92 mm |
| Stem dimensions | Ø 6x4.5 mm (1 flat), length 25 mm |
| Body dimensions | 27x34x45 mm |
| Mounting | 4 threaded holes M4 (center-to-center distance 28 mm) |
Tips for choosing a thermostat
When selecting a thermostat for a boiler, pay attention to the following parameters:
- Temperature range: Ensure that the adjustment range meets your requirements (7-75 °C).
- Electrical characteristics: Check that the thermostat supports the necessary voltage and current parameters (16 A, ~250 V).
- Connection type: Ensure compatibility with your electrical schematics (6.3 mm terminals).
Causes of thermostat failure and prevention
The main causes of thermostat failure may include:
- Overheating of the device caused by incorrect settings or malfunction of other system components.
- Mechanical damage to the capillary tube or bulb.
- Corrosion of contacts or poor connections.
To avoid failures, regularly check the condition of the system, monitor proper operation, and prevent overheating of the boiler.
Recommendations for replacing the thermostat
- Disconnect the boiler: Before starting work, disconnect the device from the power supply.
- Remove the cover: Access the thermostat by removing the protective cover.
- Disconnect the old thermostat: Remove the terminals and carefully extract the thermostat from the mountings.
- Install the new thermostat: Insert the new thermostat into the mountings and connect the terminals according to the diagram.
- Check functionality: Turn on the boiler and check the operation of the new thermostat.
Difficulty of replacement
Replacing the thermostat for the MMG HU-20-M boiler has a medium level of difficulty. The operation requires basic knowledge of working with electrical devices and adherence to safety measures. It is recommended to consult a professional if you are unsure of your abilities.
