Drayton Auto-Balancing TRV4 & Lockshield (15mm Straight 07 05 561)
- Keymark approved to EN215
- Drayton’s iconic TRV4 design
- Sensitive liquid-filled sensor
- Full/half click stop settings
- Frost protection position
- Lead-free brass valve body
34 in stock
Drayton’s brand new Auto-Balancing TRV4 combines the classic Drayton TRV4 design with a new innovate liquid sensor and auto-balancing technology.
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