The Hotun Dry Trap Tundish is designed for small unvented hot water heaters (less than 15 litres c...The Hotun Dry Trap Tundish is designed for small unvented hot water heaters (less than 15 litres capacity). It provides a safe and visible discharge from the pressure relief valve, connecting to a waste or soil pipe without allowing foul odours back into the building, ensuring a compliant connection. This system prevents cross-contamination between an overflow and a drain pipe, blocking unsanitary water from entering the system. The tundish features a 22mm compression outlet and a half BSP flat-faced top connector for a 15mm inlet. It has a rated flow rate of 12 L/Min, a maximum flow rate of 16 L/Min, and a temperature rating of 120°C. Dimensions are 104mm (Height) x 57mm (Diameter). It is supplied with a 22mm nut and olive, and a rubber O-ring. This product is suggested for small water heaters and some boilers.
This guide is for users of the Hotun Dry Trap Tundish, a device designed to safely manage discharge from pressure relief valves in small unvented water heaters. Its key benefit is providing a compliant and odor-free connection to waste pipes, preventing backflow and contamination. However, it's specifically designed for use with small water heaters (under 15 liters), so ensure it's compatible with your system.
All features
Colour
White
Model Part Number
HW100C
Brand
Hotun
Extended Product Information
FAQs
What is the primary function of the Hotun Dry Trap Tundish?
It safely discharges water from the pressure relief valve of small unvented water heaters, preventing backflow and ensuring a compliant connection to the waste pipe.
What size inlet and outlet does the tundish have?
It has a 15mm inlet and a 22mm compression outlet.
What is the maximum temperature rating?
The tundish has a temperature rating of 120°C.
Is the Hotun Dry Trap Tundish suitable for all types of water heaters?
No, it's designed for small unvented hot water heaters, typically those with a capacity of less than 15 litres.
What materials are included with the tundish?
The tundish is supplied with a 22mm nut and olive, and a rubber O-ring.
How do I maintain the Hotun Dry Trap Tundish?
Regularly inspect for leaks and ensure the outlet is clear of blockages. If any issues arise, consult a plumber.
What is the flow rate of the Hotun Dry Trap Tundish?
It has a rated flow rate of 12 L/Min, with a maximum flow rate of 16 L/Min.
Troubleshooting
Water leaking from the tundish.
Check all connections to ensure they are securely tightened. Inspect the O-ring and replace if necessary. If the leak persists, consult a qualified plumber.
Foul odors emanating from the tundish.
Ensure the tundish is correctly installed and that the outlet is properly connected to the waste pipe. Check for any blockages that could be causing the odors. If the problem continues, seek advice from a professional.
Pros and Cons
Pros
Ensures safe and compliant discharge of water from pressure relief valves.
Prevents the backflow of foul odors from waste pipes.
Eliminates the risk of cross-contamination in your plumbing system.
Compact design allows for easy installation in various setups.
Handles high flow rates, suitable for various small water heaters and boilers.
Cons
Specifically designed for use with small unvented hot water heaters (less than 15 litres capacity).
Requires proper installation to ensure optimal performance and prevent leaks.
The white color might not match all existing plumbing components.
Setup, Compatibility & Care
Setup:
Connect the 15mm inlet to the pressure relief valve outlet using a 1/2 BSP flat-faced top connector.
Connect the 22mm compression outlet to the waste or soil pipe using the provided 22mm nut and olive.
Ensure all connections are secure and watertight.
Compatibility:
Compatible with small unvented hot water heaters (less than 15 litres).
Suitable for use with various boilers that require a tundish.
Check the product's specifications to ensure it matches your system's requirements (flow rate, temperature, etc.).
Care:
Regularly inspect the tundish for any signs of damage or leaks.