- Termostatic head
- Valves with thermostatic option for double pipe
- Double settings thermostatic valves for double pipe systems
- Thermostatic kit and thermostatic valves for double pipe systems
- Manual valves and lockshields for double pipe systems
- Four-way valves with thermostatic option for single pipe and double pipe systems
- Single pipe manual valves
- Fittings for copper, pex-al-pex, pex pipe, radiator eccentrics, elbow fittings, rosette
- Single/double pipe distributors for panel with built-in thermostatic group
- Radiator air vents
- Valves and lockshields for design radiators
- Chromed thermostatic head and rosettes with pipe cover
S004 | Return circulation group for primary circuits of solar systems
Return circulation group for primary circuits of solar systems with integrated controller. The flow goes from the solar panel to the boiler. It includes: interception ball
valves, pump for solar plants, air vent group, 6 bar safety valve, filling and drain taps to wash the system before filling, 0-12 lt/min flowmeter to regulate the flow, antigravity
check valve, gauge, thermal-proof shell. It can be integrated with the microprocessor
units art. S303 or art. S305.
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| Art. | Size | Pump | Circulator control signal | PWM signal cable | Code |  |
||
| ON/OFF | PWM | |||||||
| S004+S303 | 3/4" | NO CIRCULATOR | X | X | X | 93S004SCS303 | 1 | |
| S004+S303 | 3/4" | Wilo ST 20/6 | ✔ | X | X | 93S004AE05S303 | 1 | |
| S004+S303 | 3/4" | Grundfos 15/6 | ✔ | X | X | 93S004AE05GS303 | 1 | |
| S004+S303 | 3/4" | UPM3 15-75 ELECTRONIC CIRCULATOR | ✔ | ✔ | NOT INCLUDED* | 93S004S163S303 | 1 | |
| S004+S303 | 3/4" | Wilo Para ST 15/6 ELECTRONIC CIRCULATOR | ✔ | X | X | 93S004S165S303 | 1 | |
| S004+S303 | 3/4" | Taco ES2 15-70/130 | ✔ | X | X | 93S004S166S303 | 1 | |
| S004+S303 | 3/4" | Hefei Xinhu GPA 20-7.5 III | ✔ | ✔ | NOT INCLUDED* | 93S004S167S303 | 1 | |
| S004+S303 | 3/4" | Wilo Para STG 15-130/8-75/12 | ✔ | ✔ | NOT INCLUDED* | 93S004S168S303 | 1 | |
| S004+S305 | 3/4" | NO CIRCULATOR | X | X | X | 93S004SCS305 | 1 | |
| S004+S305 | 3/4" | Wilo ST 20/6 | ✔ | X | X | 93S004AE05S305 | 1 | |
| S004+S305 | 3/4" | Grundfos 15/6 | ✔ | X | X | 93S004AE05GS305 | 1 | |
| S004+S305 | 3/4" | UPM3 15-75 ELECTRONIC CIRCULATOR | ✔ | ✔ | NOT INCLUDED* | 93S004S163S305 | 1 | |
| S004+S305 | 3/4" | Wilo Para ST 15/6 ELECTRONIC CIRCULATOR | ✔ | X | X | 93S004S165S305 | 1 | |
| S004+S305 | 3/4" | Taco ES2 15-70/130 | ✔ | X | X | 93S004S166S305 | 1 | |
| S004+S305 | 3/4" | Hefei Xinhu GPA 20-7.5 III | ✔ | ✔ | NOT INCLUDED* | 93S004S167S305 | 1 | |
| S004+S305 | 3/4" | Wilo Para STG 15-130/8-75/12 | ✔ | ✔ | NOT INCLUDED* | 93S004S168S305 | 1 | |
Products equipped with circulators “Wilo ST 20/6” and “Grundfos 15/6” are intended for sale in non-EU.
* To be purchased separately (see cables), in case of connection with electronic controller with PWM signal.
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