Valencia Replacement TRV heads
T4021GB Classic White / Chrome TRV upgrade head

May be used to upgrade 'old' TRV heads or used on any VHL120 'Manual' TRV bodies to convert them to a TRV
T4221GB Classic Chrome TRV upgrade head

May be used to upgrade 'old' TRV heads or used on any VHL120 'Manual' TRV bodies to convert them to a TRV
T4321GB Classic Black / Chrome TRV upgrade head

May be used to upgrade 'old' TRV heads or used on any VHL120 'Manual' TRV bodies to convert them to a TRV
T4111GB Classic Brushed Chrome TRV upgrade head

May be used to upgrade 'old' TRV heads or used on any VHL120 'Manual' TRV bodies to convert them to a TRV
T1001W0GB White Traditional TRV upgrade head.

May be used to upgrade 'old' TRV heads or used on any VHL120 'Manual' TRV bodies to convert them to a TRV
HR92UK White Evohome Electronic TRV upgrade head.

May be used to upgrade 'old' TRV heads or used on any VHL120 'Manual' TRV bodies to convert them to an electronic TRV