Honeywell Home T4021 Thera-200 Thermostatic Radiator Valve Head Boxed unit in very good condition. Details: - Model: T4021 Thera-200 Design - White and chrome finish - M30 x 1.5 standard connection - Compatible with most TRV bodies using M30 thread - Liquid sensor for accurate temperature control Condition: Box has minor storage wear (see photos). Important: This is the thermostat head only – no valve body included. Compatibility note: Designed for M30 x 1.5 connections. Typically used on horizontal valve setups – please check compatibility with your radiator before purchase. Dispatched quickly.
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