A new and unused enclosure heater from RS Components - Part No. 603-328. Cost £44 new.
RS Pro Silicone Heater Mats x2, 240V 50W – Model 245-613 - Brand New (Unopened)
RS Pro Superwatt Heating Element Cartridge Heater 450W 230V 0514 MH 12.5-100
RS Pro Heating Element Cartridge Heater HR50101-UR 860-7160
Anti Condensation Heater 400w 230v Enclosure Heater EGL400
DBK FGC1510.2 200W DIN Rail PTC Enclosure Heater. 100-240VAC, Heater, 12VAC Fan
RS PRO RS Series Thermal Interface Sheet, 1.5 mm Thick, 4 W/mK, 150 mm, 150mm