Runtal RTR-4624-9010R 46-Inch H by 24-Inch W Towel Radiator Hydronic, Runtal White Hydronic model Heat output; 3358 BTUH @ 180 degrees F Hydronic units are compatible with closed loop forced hot water heating systems 23.6-Inch Width x 45.4-Inch Height x 3.6-Inch Depth For use in conjunction with a hot water boiler home heating