The Honeywell Valencia VTL120‑15A‑DP 15 mm Angled TRV & Lockshield Pack combines a precision 15 mm angled thermostatic radiator valve with a matching lockshield, designed for modern two‑pipe central heating systems. With a bidirectional flow body, built‑in radiator balancing insert and frost‑setting capability, it delivers reliable room control and increased energy efficiency in one trade‑ready pack.