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eBay£9.95Visit shop Clip On Pipe Thermometer 0 to 120 C&F - Hot Water Temperature Gauge
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B&Q£39.14Visit shop - Unbranded Brannan Clip On Pipe Thermometer 0-120 Plastic Case 33/404/0
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The Brannan Clip On Pipe Thermometer (33/404/0) is an essential tool for plumbers, HVAC technicians, and homeowners looking to monitor the temperature of cold or chilled water lines. It offers a convenient, non-invasive way to track thermal performance without breaking into the pipework, though it is primarily designed for smooth, exposed pipes rather than heavily insulated or irregular surfaces.
| Model Part Number | 33/404/0 |
|---|---|
| Brand | Brannan |
No, the device is purely mechanical and uses a bimetallic spring to move the needle.
Yes, the thermometer is rated for temperatures up to 120 degrees Celsius.
Ensure the pipe surface is smooth and clean, and keep the thermometer away from direct drafts or heat sources to minimize ambient interference.
It is designed to be moisture-resistant, but it should not be submerged in water.
It is designed for standard pipe diameters. Extremely large or very small pipes may not allow the spring clip to provide adequate surface contact.
Verify the back of the thermometer is making firm, flat contact with the pipe. If the pipe is painted, the paint may be preventing thermal transfer.
Gently tap the dial face to ensure the needle is not caught; if the unit was recently dropped, the internal mechanism may be misaligned.
Check if there is an air gap between the pipe and the sensor. Adding a small amount of thermal paste or insulating the thermometer against ambient air can improve accuracy.
Installation is straightforward: ensure the pipe is clean, then stretch the spring attachment to clip the thermometer firmly against the pipe wall. The device is compatible with most standard copper and steel water pipes. For care, avoid dropping the unit to protect the internal bimetallic sensor. If the unit becomes covered in dust or debris, wipe it with a dry, lint-free cloth; do not immerse the thermometer in water or cleaning chemicals, as this may compromise the dial face or internal mechanism.
