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Caleffi Solar Pump Techs and Specs
Solar Pump Stations for solar heating systems
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- Wilo-Solar circulation pump - 115v - Star S-16 U15 Cast Iron (Model 255050A Only)
- Safety relief valve
- Filling/drain valve
- Pressure gauge
- Flow meter
- Air trap and vent
- Flow temperature gauge
- Return temperature gauge
- Pre-formed insulation shell
- Shut-off and check valve
- Expansion Tank connection kit
- 3/4" plug (used if no expansion tank is installed)
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Caleffi Solar Pump Model 255050A / 255056A Specifications:
- Brass body
- Steel/aluminium temperature guage
- PTFE / EPDM seals
- EPDM / Viton o-rings
- AFM 34, asbestos free union gaskets
- EPP insulating shell, thermal conductivity value = R4
- Water, glycol solutions medium
- 50% max. percentage of glycol
- 360°F max. working temperature
- 150 psi (10 bar) max. working pressure
- -20 to 360°F safety relief valve temperature range
- 90 psi (6 bar) safety relief valve factory setting
- 265°F max return flow meter temperature
- 0-90 psi (0-6 bar) pressure gauge scale
- 1/4 to 5 gpm range of flowmeter
- 32–320°F temperature gauge scale
- 1" male half union connections
- 3/4" filling/drain hose connections
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