Worcester Bosch Siphon / Condensate Trap 8718600611

Keep your GB162 running safely and quietly. This OEM siphon collects and seals condensate from the heat exchanger before discharging it to waste, preventing flue-gas escape and protecting the boiler from nuisance lockouts.

Key Features

• Worcester/Bosch/Buderus 8718600611 siphon for GB162.
• Direct-fit: Transparent moulded body for quick visual checks; installs without pipework mods.
• Service-friendly: Push-fit/clip design for fast removal and cleaning during annual service.

Typical Compatibility*

• Buderus / Worcester GB162 wall-hung boilers: 50 kW, 65 kW, 80 kW, 100 kW (model codes include GB162-50/65/80/100).

*Always match by the exact part number and your boilers exploded diagram.

Symptoms of a blocked/failed siphon

• Water backing up inside the boiler or gurgling noises
• Condensate leaks or signs of acidic staining
• Intermittent ignition or lockouts, especially in cold weather

What’s in the box

• 1 Siphon/condensate trap 8718600611 (as pictured)

Install & Maintenance

Isolate the appliance, remove the old siphon, fit the new unit and check the discharge route is clear and correctly trapped. Prime the siphon, then run and check for leaks. Installation and servicing should be performed by a qualified, Gas Safe registered engineer.