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Hotun 15/22mm Dry Trap Tundish 1/2" BSP Inlet

The hotun® White 100C 15mm x 22mm Dry Trap Tundish (HW100C) is the perfect solution for safely and compliantly discharging Temperature & Pressure Relief Valve (T&PRV) waste from unvented hot water heaters and boilers. Designed with efficiency in mind, this innovative dry trap tundish prevents foul odours from escaping back into the property while ensuring a visible discharge in case of a fault.

With a compact and sleek white design, the hotun® White 100C is easy to install and suitable for both domestic and commercial applications. The device operates without the need for a water seal, eliminating the risk of drying out and ensuring long-term reliability.
SKU: HW100C
Availability: 13 in stock
£16.14 incl tax
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  • NOW with a 10-Year Warranty

  • Water Regulation required "air-break to drain" designation for ultimate protection against backflow and back siphonage preventing contamination of wholesome water


  • Easy maintenance - Suitable for use in hard water areas. Can be maintained and easily inspected without having to dismantle the tundish or remove it from the pipeline.


  • Accepted for use by many of the world's largest boiler and water heater manufacturers

  • Suitable for use on small water heaters (<15L), boilers, HIU's, condensate (MVHR, FCU & air conditioning units) and water storage tank overflows.

  • Allows relief valve discharge to be compliantly connected to drain without odours and eliminates the need for an external discharge

  • Minimal installation space requiring just a 73mm gap between pipes

  • Available in black (HB100C) and white (HW100C)

  • Suitable for use in conjunction with hotun detect in-tundish water alarm unit

https://www.goodeyandhowell.co.uk/