The Drayton TRV4 delivers exceptional durability and performance. It features a patented internal material that actively prevents lime scale from accumulating, ensuring your TRV remains operational for years. With pre-setting internals included on all two-pipe bodies, this valve makes achieving a perfectly balanced and efficient heating system both simpler and more accurate.

• EN215 approved
• Energy saving trust recommended
• Bi-Directional valve body
• Lockshield option
• Range limit feature
• 1/2 turn operation