The John Guest brass drain cock is used to drain water from a central heating system. Please note a collet cover cannot be used on a Speedfit end assembled with a draincock. Draincocks can be fitted with a standard fitting fitted with a collet clip. When using with Twist and Lock Fittings the fitting must be locked.

Features & Benefits:

• Durable DZR brass body
• Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe
• Suitable for central heating systems only
• Cannot be used where a collet cover is fitted
• Stem end drain off valve provides an ideal drain down point

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