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					Grundfos direct flow vortex meter provides both flow and temperature information for computation of BTU's generated by solar thermal system. Composite body. 1 1/4" NPT connections. Suitable flow rate of 20-400 liters per minute (5.2-105 gallons per minute).  | 
				
| Sun Source Part #: | MD-0420 | 
| Manufacturer: | Grundfos More Products | 
| Mfg. Part #: | VFS20-400 | 
| Category: | Measurement Devices (Flowmeters, Thermometers, & Gauges) | 
| Availability: | Special Order - Contact for Price & Availability | 
| Dealer Cost: | -- | 
| Retail Price: | -- | 
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| CD-0043 | Steca TR-A503TTR-U Solar Control with 3 PT1000 Sensors |