Thermo Rex Solenoid Speed ​​Fuel SB-II/MD-II,44-6544

Nova princeps qualitas valvae solenoidalis, sequentibus unitatibus apta;
SB I, SBI, SB-I, SB 1, SB1, SB-1

SB II, SBII, SB-II, SB 2, SB2, SB-2

SB III, SBIII, SB-III, SB 3, SB3, SB-3