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 - Circulation pumps for heating systems and underflo
 
Circulation pumps for heating systems and underflo
        Application
Glandless circulation pumps Wilo Star-RS with threaded connection Circulation pump with wet rotor and threaded connection. Preset speed stages for power adjustment.
Materials:
- Pump housing: gray cast iron;
 - Impeller: reinforced polypropylene;
 - Pump shaft: stainless steel;
 - Bearings: metal-graphite.
 
Application area
Heating systems, industrial circulation systems, cold water supply and air conditioning systems.
Designation
Example: Wilo- Star-RS 25 /4-130- Star-RS -circulating pump with wet rotor for burning systems;
 - 25 /-connection diameter, mm;
 - 4 -maximum pump head, m;
 - 130 -assembly length, mm.
 
Specifications
- Threaded connection Rp ½, Rp 1, Rp 1 ¼;
 - Motor speed selector (3 steps) to select the optimal pump power;
 - Simple and safe installation thanks to the key on the pump body;
 - Terminal box with cable routing power supply on both sides;
 - Simplified connection of electrical wires when using spring terminals;
 - Resistant to blocking currents;
 - Nominal pressure: PN10;
 - Protection class: IP 44;
 - Permissible temperature range of the coolant: -10 ... +110 ° C;
 - Electrical connection: 1 ~ 230V, 50Hz.
 
Performance characteristics

Range of Wilo-Star-RS circulation pumps for heating systems, installation length 180 mm
| Pump | Energy efficiency class | ∅ connection [mm] | Threaded connection | Max. Power, W] | Max. head [m] | Weight, kg] | 
| Star-RS 25/2 | C | 25 | Rp 1 | 45 | 2 | 2.5 | 
| Star-RS 25/4 | B | 25 | Rp 1 | 48 | 4 | 2.5 | 
| Star-RS 25/6 | C | 25 | Rp 1 | 84 | 6 | 2.7 | 
| Star-RS 25/7 | D | 25 | Rp 1 | 132 | 7 | 2.9 | 
| Star-RS 25/8 | D | 25 | Rp 1 | 151 | 8 | 3.6 | 
| Star-RS 30/2 | C | thirty | Rp 1¼ | 45 | 2 | 2.7 | 
| Star-RS 30/4 | B | thirty | Rp 1¼ | 48 | 4 | 2.7 | 
| Star-RS 30/6 | C | thirty | Rp 1¼ | 84 | 6 | 2.8 | 
| Star-RS 30/7 | D | thirty | Rp 1¼ | 132 | 7 | 3.0 | 
| Star-RS 30/8 | D | thirty | Rp 1¼ | 151 | 8 | 3.7 | 
Series of circulation pumps Wilo-Star-RS for underfloor heating, installation length 130 mm
| Pump | Energy efficiency class | ∅ connection [mm] | Threaded connection | Max. Power, [W] | Max. head [m] | Weight, [kg] | 
| Star-RS 15/2-130 | C | 15 | Rp ½ | 45 | 2 | 2.2 | 
| Star-RS 15/4-130 | B | 15 | Rp ½ | 48 | 4 | 2.2 | 
| Star-RS 15/6-130 | C | 15 | Rp ½ | 84 | 6 | 2.3 | 
| Star-RS 25/4-130 | B | 25 | Rp 1 | 48 | 4 | 2.3 | 
| Star-RS 25/6-130 | C | 25 | Rp 1 | 84 | 6 | 2.3 | 
Selection by parameters
Producer: WiloClear
Pre-order only
Vendor code: 4063801
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 3 | 
| Feed height, m | 2 | 
| Input pipe diameter | G 1/2" | 
$83
Pre-order only
Vendor code: 4063802
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 4 | 
| Input pipe diameter | G 1/2" | 
$86
Pre-order only
Vendor code: 4063803
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 6 | 
| Input pipe diameter | G 1/2" | 
$98
Pre-order only
Vendor code: 4032952
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 2 | 
| Input pipe diameter | G 1" | 
$83
Pre-order only
Vendor code: 4032954
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 4 | 
| Input pipe diameter | G 1" | 
$84
Pre-order only
Vendor code: 4033776
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 4 | 
| Input pipe diameter | G 1" | 
$84
Pre-order only
Vendor code: 4032956
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 6 | 
| Input pipe diameter | G 1" | 
$98
Pre-order only
Vendor code: 4033782
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 6 | 
| Input pipe diameter | G 1" | 
$98
Pre-order only
Vendor code: 4037310
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 7 | 
| Input pipe diameter | G 1" | 
$108
Pre-order only
Vendor code: 4094258
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 8 | 
| Input pipe diameter | G 1" | 
$189
Pre-order only
Vendor code: 4033760
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 2 | 
| Input pipe diameter | G 1 1/4" | 
$86
Pre-order only
Vendor code: 4033765
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 4 | 
| Input pipe diameter | G 1 1/4" | 
$86
Pre-order only
Vendor code: 4033770
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 6 | 
| Input pipe diameter | G 1 1/4" | 
$103
Pre-order only
Vendor code: 4037311
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 7 | 
| Input pipe diameter | G 1 1/4" | 
$113
Pre-order only
Vendor code: 4094375
| Frequency control | no | 
| Producer | Wilo | 
| Pump capacity, m3/h | 4 | 
| Feed height, m | 8 | 
| Input pipe diameter | G 1 1/4" | 
$196










































































































































