POPULAR MODELS

Model Number	Description
TDST-SSSD-N1	Thermodynamic steam trap, 3/8", 0.8 lb (0.36 kg).
TDST-SSSD-N2	Thermodynamic steam trap, 1/2", 1.2 lb (0.55 kg).
TDST-SSSD-N3	Thermodynamic steam trap, 3/4", 1.85 lb (0.86 kg).
TDST-SSSD-N4	Thermodynamic steam trap, 1", 3.1 lb (1.8 kg).