FHB is an NC direct acting 2-port solenoid valve for hot water up to 90 °C. It opens when energized, with Rc1/8 to Rc1/2 ports. Its thermal class is Class 180 (H) or equivalent.


| Working Fluid | Hot water (90 °C or less) |
| Valve Structure | Direct acting poppet, NC |
| Working Pressure Differential | 0 to 1.5 MPa (refer to the max. working pressure differential in the individual specifications) |
| Proof Pressure | 5.0 MPa (3.0 MPa for ø7 and ø10 orifice) (water pressure) |
| Fluid Temperature | 1 to 90 °C (no freezing) |
| Ambient Temperature | -20 to 60 °C |
| Thermal Class | Class 180 (H) or equivalent |
| Valve Seat Leakage | 0 cm³/min (water pressure) |
| Degree of Protection | IP65 or equivalent |
| Port Size | Rc1/8, Rc1/4, Rc3/8, Rc1/2 |
| Orifice Size | 1~10 mm |
| Weight | 0.16~0.79 kg |
| Mounting Orientation | Unrestricted |
| Rated Voltage | 100 VAC, 200 VAC (100 VAC also usable at 110 VAC (60 Hz), 200 VAC also usable at 220 VAC (60 Hz)) |