Check the listing for details. GFMBLK 116-2 - Geothermal Pressurized Double Pump Assembly (1ph/230v). Condition: New. Listed at 1250.00 USD. MODEL: GFMBLK 116-2(Grundfos Flowcenter Module BLACK cabinet, Grundfos UP26-116F, qty.2 pumps) - Grundfos UP26-116F pump is compatible replacement for UP26-116U pump) - (1ph/230v) - 1/6hp per pump - Cast iron volute - wet rotor circulators Physical Description:Plastic Insulated CabinetGrundfos wet rotor circulator pumpsForged yellow brass full port ball valves for flushing the system and isolating pump motorsAll units built / assembled to order1-2 business day assembly/lead time before shipment Cast iron volutes 1” FPT inlet/outlet (to Heat Pump)1” FPT inlet/outlet (to Ground Loop)1" FPT flushing ports above pumps for flush cart Physical dimensions:16" L x 12" W x 7" Tall1" FPT center-to-center = 5-1/4" Flow direction (with valves on top of pumps): left pump = upright pump = down Pump Sizing:If you need assistance with making a selection, contact us and we'll be happy to help.If you are swapping out an existing geo unit, we'll need the model/serial number from your currently installed unit.If you are installing a new geothermal ground loop and heat pump, we'll need: - Qty of ground loop circuits (vertical or horizonal)- Circuit pipe size and total length per circuit (example: 400' bore depth = 800' circuit down and back)- Header pipe size and total length (supply & return)- Total tonnage of heat pump being installed (3ton, 4ton, 5ton, etc...)- Antifreeze type selected (if any) Product Sale Condition:- Pumps are new/unused in their original packaging- Each pump is inspected for electrical/mechanical defects before shipping- After inspection, each pump is returned to its original packaging- Extra padding/cushion is added to each box to ensure safe transit to you Application: Geothermal HVAC Connection Type:- 1" FPT on all connections, including the flushing ports above the motor(s) Electrical: - 1ph/230v Fluid Temp: 36 deg.F min - 150 deg.F max MAX GPM (at 0 foh): 37 gpm MAX FOH (at 0 gpm): 74 foh Duty Point Capabilities:(3ton heat pump) 9gpm @ 62foh(4ton heat pump) 12gpm @ 56foh(5ton heat pump) 15gpm @ 52foh(6ton heat pump) 18gpm @ 46foh For more detailed specs, see attached submittal data sheet pages in the pictures above, or contact us. Installation:- Unit is wall mounted and must be installed with the pump shaft horizontal, NOT vertical, - Purge the system piping of air and debris using a flush cart or other- Use burping nut in center of motor(s) to release air trapped in canister before starting pump- Do not run pump dry, must always be full of fluid- Water Quality is EXTREMELY important with cast iron pumps- Water test before filling the system is highly recommended, as well water is extremely harsh on wet rotors- See IGSHPA cast iron circulator pump water quality standards online Shipping: - Free UPS Ground shipping (depending on region)- Free shipping not offered to Alaska or Hawaii- Estimated delivery: 3-5 business days from your purchase date- Orders placed after 3:00pm EST will ship the next business day- Orders ship (Mon-Fri)- Orders placed Sat-Sun will ship on Monday Return Policy:- 30 day return window from purchase date- Product must be in NEW condition (unused, no fluid pumped through it)- Product must be in its original packaging and arrive in the condition when it left our facility Limited Warranty:- 10 year limited warranty from the manufacturer (subject to inspection for approval)- Limited warranty covers mechanical and electrical defects from the manufacturer- Purchaser pays return shipping and must package the product well/safely for return transit- Product will be subject to inspection once returned (this process usually takes 5-10 business days) Water quality is very important!!!Harsh water can corrode/rot cast iron volutes, creating rusty water in your closed loop system.Rust, dirt, mud, magnetite, etc... will seize the rotor assembly and cause leaks in the system.Water quality related failure is not covered by the manufacturers limited warranty. Direct message us if you have any questions!