All the benefits of the Westherm 5 TRV, but with a Lockshield valve included to save on your overall costs. Available in 8/10 or 15mm versions.
-Wax sensor
-5 Year guarantee
-Modern design
-Fully reversible
-Precision engineered
-Minimum setting and frost protection
-Easy and fast assembly
-Locking and limiting of the temperature range
-Energy efficient
