The zero setting ratio upper limit is 0, , 1-5.
2 PCS Radiator Thermostat Valve,Thermostatic Radiator Valve Head, TRV Radiator Valves M30 X 1.5, Radiator Thermostat Head Heating System Temperature Control for Home Office Bedroom Etc(White)
Thermostatic TRV Radiator Valves M30 x 1.5 Heater Radiator 2PCS -UK-
Thermostatic TRV Radiator Valves 1/2" x 15mm Angled *TRV Pack* 3 Colour
2 X Thermostatic TRV Radiator Valves Lockshield Set 15mm x 1/2" Kartell
UK Radiators Thermostatic TRV Radiator Valves 8mm Angled White *TRV Pack*
Thermostatic TRV Radiator Valves 1/2" x 15mm Angled/Corner/Straight - Twin Pack
