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This model is ideal for open loop solar water heating systems.

Product Manufacturer: Grundfos
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HELP•••Contact Customer Support•
• Toll-Free help line offering sizing support
• Online e-mail technical and installation•support

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Type key
Example	UP	S	15	-58	()	F	C
Circulator pump	•	•	•	•	•	•	•
S: 3 speed	•	•	•	•	•	•	•
10: Comfort series 15: Small stator UP 25, 26, 43, 50: Large stator UP	•	•	•	•	•	•	•
Maximum head [dm]	•	•	•	•	•	•	•
Pump housing •• = Cast iron (no letter = cast iron) S = Stainless steel B = Bronze	•	•	•	•	•	•	•
Pipe connection F = Flange FR = Flange rotated 90• U = Union connection 5 = 1/2" internal sweat 7 = 3/4" internal sweat N = NPT female thread fitting 7P = 3/4" male x female connection	•	•	•	•	•	•	•
Special features /T = Timer /LC = Line cord /VS = Variable speed control /MR = Mixing reset control A = Thermostat (Aquastat) C = Check valve (integrated into discharge)	•	•	•	•	•	•	•

Processing and Delivery Information: Please allow Processing Time as stated above for your order, plus standard transportation delivery time. Orders placed after 2PM EST may not begin processing until the next business day. Please call for Rush Processing and/or Rush Shipping options.