
UP-43 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $94.26 | Condition is New, Grundfos 539605 1-1/2" Cast Iron Flange Set (For UP43 Flange Mounted Pumps Only), FREE SHIPPING | 96.0% |
![]() | $107.14 | Condition is New, Grundfos 539615 Pump 1-1/2" Bronze Flange Set for the UP43 Flange Mounted Pumps , FREE SHIPPING | 98.6% |
![]() | $178.49 | Top Pick! Condition is New, UP43-75BF Bronze Circulator Pump for Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange, FREE SHIPPING | ![]() |
![]() | $179.19 | Condition is New, Bronze Circulator Pump UP43-75BF for Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange, FREE SHIPPING | ![]() |
![]() | $180.00 | Top Pick! Condition is New, For Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange UP43-75BF Circulator Pump, FREE SHIPPING | 99.4% |
![]() | $180.05 | Top Pick! Condition is New, UP43-75BF Circulator Pump For Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange, FREE SHIPPING | 99.8% |
![]() | $180.10 | Condition is New, 52722370 UP43-75BF Fit For Grundfos 1/6 HP 115V Pump Circulator Pump, FREE SHIPPING | 99.6% |
![]() | $180.90 | Condition is New, UP43-75BF Fit For Grundfos 1/6 HP 115V Pump Circulator Pump US 52722370, FREE SHIPPING | 99.6% |
![]() | $181.01 | Condition is New, For Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange Circulator Pump UP43-75BF, FREE SHIPPING | 99.4% |
![]() | $187.63 | Condition is New, Bronze Circulator Pump UP43-75BF for Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange, FREE SHIPPING | ![]() |
![]() | $190.00 | Condition is New, New UP43-75BF For Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange Circulator Pump, FREE SHIPPING | 99.5% |
![]() | $190.69 | Condition is New, UP43-75BF 52722370 Fits For Grundfos 1/6 HP 115V Pump Circulator Pump, FREE SHIPPING | 98.6% |
![]() | $199.99 | Condition is New, Grundfos UP43-75BF Bronze Circulator Pump 115V 1-Speed 40.9GPM 1-1/2" Flange, FREE SHIPPING | 99.6% |
![]() | $199.99 | Condition is New, For Grundfos UP43-75BF Bronze Circulator Pump 115V 1-Speed 40.9GPM 1-1/2"Flange, FREE SHIPPING | ![]() |
![]() | $205.00 | Condition is New, UP43-75BF 52722370 For Grundfos 1/6 HP 115V Pump Circulator Pump USA, FREE SHIPPING | 99.0% |
![]() | $205.90 | Top Pick! Condition is New, Circulator Pump UP43-75BF For Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange, FREE SHIPPING | 99.1% |
![]() | $205.99 | Condition is New, UP43-75BF For Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange Circulator Pump, FREE SHIPPING | 100.0% |
![]() | $209.79 | Condition is New, Bronze Circulator Pump UP43-75BF for Grundfos 115V 1-Speed 40.9GPM 1-1/2" Flange, FREE SHIPPING | ![]() |
![]() | $186.00 | Top Pick! Condition is New, Fit Grundfos UP43-75BF Bronze 115V Circulator Pump 1-Speed 40.9GPM 1-1/2" Flange, shipping cost = $30.00 | ![]() |
![]() | $196.00 | Condition is New, Fits Grundfos UP43-75BF Bronze Circulator Pump 115V 1-Speed 40.9GPM 1-1/2"Flange, shipping cost = $20.00 | ![]() |
![]() | $201.00 | Condition is New, For Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange Bronze Circulator Pump UP43-75BF, shipping cost = $15.00 | ![]() |
![]() | $216.00 | Top Pick! Condition is New, For Grundfos UP43-75BF Bronze 115V Circulator Pump 1-Speed 40.9GPM 1-1/2" Flange, FREE SHIPPING | 100.0% |
![]() | $216.00 | Condition is New, UP43-75BF NEW Circulator Pump for Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange, FREE SHIPPING | ![]() |
![]() | $216.00 | Condition is New, UP43-75BF Bronze Circulator Pump 115V 1-Speed 40.9GPM 1-1/2"Flange Fits Grundfos, FREE SHIPPING | ![]() |
![]() | $216.00 | Condition is New, Fit Grundfos Bronze Circulator Pump 115V 1-Speed 40.9GPM 1-1/2" Flange UP43-75BF, FREE SHIPPING | ![]() |
![]() | $216.00 | Condition is New, FOR Grundfos UP43-75BF Bronze 115V Circulator Pump 1-Speed 40.9GPM 1-1/2" Flange, FREE SHIPPING | ![]() |
![]() | $225.00 | Top Pick! Condition is New, UP43-75BF 52722370 Fit For Grundfos 1/6 HP 115V Pump Circulator Pump US, FREE SHIPPING | 99.5% |
![]() | $245.00 | Condition is New, For Grundfos Bronze Circulator Pump 1-Speed 40.9GPM 1-1/2" Flange 115V UP43-75BF, shipping cost = $30.00 | ![]() |
![]() | $255.00 | Condition is New, UP43-75BF Bronze Circulator Pump FIT Grundfos 115V 1-Speed 40.9GPM 1-1/2" Flange, shipping cost = $20.00 | ![]() |
![]() | $255.00 | Condition is New, Fits Grundfos UP43-75BF Bronze Circulator Pump 115V 1-Speed 40.9GPM 1-1/2"Flange, shipping cost = $20.00 | ![]() |
![]() | $275.00 | Condition is New, UP43-75BF Fit Grundfos 115V Circulator Pump 1-Speed 40.9GPM 1-1/2" Flange NEW, FREE SHIPPING | ![]() |
![]() | $275.00 | Condition is New, Fit Grundfos 115V Circulator Pump 1-Speed 40.9GPM 1-1/2" Flange UP43-75BF NEW, FREE SHIPPING | ![]() |
![]() | $275.00 | Condition is New, 115V UP43-75BF For Grundfos Bronze Circulator Pump 1-Speed 40.9GPM 1-1/2" Flange, FREE SHIPPING | ![]() |
![]() | $275.00 | Condition is New, Bronze Circulator Pump 115V 1-Speed 40.9GPM 1-1/2" Flange For Grundfos UP43-75BF, FREE SHIPPING | ![]() |
![]() | $275.00 | Top Pick! Condition is New, UP43-75BF Bronze Circulator Pump For Grundfos 115V 1-Speed 40.9GPM 1-1/2" Flange, FREE SHIPPING | ![]() |
![]() | $275.00 | Top Pick! Condition is New, UP43-75BF 115V 1-Speed Bronze Circulator Pump 40.9GPM 1-1/2"Flange Fits Grundfos, FREE SHIPPING | ![]() |
![]() | $278.97 | Top Pick! Condition is New, 1-Speed Bronze Circulator Pump UP43-75BF 115V 40.9GPM 1-1/2" Flange for Grundfos, FREE SHIPPING | ![]() |
![]() | $275.00 | Top Pick! Condition is New, UP43-75BF 115V Bronze Circulator Pump For Grundfos 1-Speed 40.9GPM 1-1/2" Flange, shipping cost = $20.00 | ![]() |
![]() | $295.00 | Top Pick! Condition is New, For Grundfos UP43-75BF Bronze Circulator Pump 115V 1-Speed 40.9GPM 1-1/2" Flange, shipping cost = $50.00 | 100.0% |
![]() | $364.19 | Condition is New, UP43-75BF Circulation Pump with Grundfos 115V 1/6HP 3-Speed Recirculating Pum..., FREE SHIPPING | 100.0% |
![]() | $439.38 | Condition is New, Grundfos 52722370, UP43-75BF Bronze Circulator Pump, 1/6 HP, 115V Pump New, shipping cost = $28.86 | 100.0% |
![]() | $473.89 | Condition is New, UP43-75BF Circulation Pump compatible with Grundfos 115V 1/6HP 3-Speed Recirc..., FREE SHIPPING | 98.2% |
![]() | $622.00 | Condition is New, Grundfos UPS 43-44 FC 1-Phase Circulator Pump, 63 GPM, 115V, Cast Iron, Flanged, FREE SHIPPING | 98.8% |
![]() | $826.95 | Condition is New, Grundfos 52722514, UPS43-44FC, Super Brute, Cast Iron Circulator Pump, 115 V, FREE SHIPPING | 96.0% |
![]() | $900.00 | Condition is New, Grundfos 96439643 UP 43-110 F Model B, 115/230V Circulator Pump HVAC Heating, shipping cost = $85.00 | 100.0% |
![]() | $1097.43 | Condition is New, GRUNDFOS UP43-75BF Water Pump 115V Bronze Flanged Circulator, FREE SHIPPING | ![]() |
![]() | $1146.47 | Condition is New, Grundfos 52722370, UP43-75BF Bronze Circulator Pump, 1/6 HP, 115V, FREE SHIPPING | 96.0% |
![]() | $1182.66 | Condition is New, Grundfos 52722370 UP43-75BF Bronze Circulator Pump 1/6 HP 115V 1 Speed, FREE SHIPPING | ![]() |
![]() | $1287.00 | Condition is New, Grundfos 96439643 UP 43-110 F Model B, 115/230V Circulator Pump HVAC Heating, shipping cost = $62.86 | 100.0% |
![]() | $2910.14 | Condition is New, Grundfos 96439643 UP43-110F () Pump, Circulator 115/230V 3/4 HP - Cast Iron, FREE SHIPPING | 98.6% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $99.00 | Condition is Used, UP43-75BF Bronze Circulator Pump for Grundfos 115V 1-Speed 40.9 GPM 1-1/2"Flange, shipping cost = $25.00 | 93.8% |
![]() | $181.00 | Condition is Used, Fit For Grundfos 1/6 HP 115V Pump Circulator Pump US 52722370 UP43-75BF, FREE SHIPPING | 95.5% |
![]() | $185.49 | Condition is Used, Grundfos Circulation Pump UP 43-44 BF 52722439 P1 1/6 HP 68GPM B7S4 , shipping cost = $49.30 | 99.6% |
![]() | $299.00 | Condition is Used, Grundfos UP-43 70F circulator pump. Same Day Shipping, shipping cost = $131.05 | 99.8% |
![]() | $790.00 | Condition is Used, Grundfos 96439643 UP 43-110 F Model B 115/230V Circulator Pump HVAC Heating USED, shipping cost = $62.86 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $170.00 | Condition is New – Open box, 1 Set Circulator Pump UP43-75BF For Grundfos 115V 1-Speed 40.9GPM 1-1/2"Flange, FREE SHIPPING | 95.5% |
![]() | $229.00 | Condition is New – Open box, UP43-75BF Fit Grundfos 115V Circulator Pump 1-Speed 40.9GPM 1-1/2" Flange, FREE SHIPPING | 99.8% |
![]() | $395.00 | Condition is New – Open box, GRUNDFOS CIRCULATION PUMP UP 43-75 F 52722362 115V circulator, boiler, hydronic, shipping cost = $10.00 | 100.0% |
![]() | $621.99 | Condition is New – Open box, Grundfos UPS43-44FC 3 Speed Circulator Pump with Check Valve 63 GPM 115V Flanged, FREE SHIPPING | 99.7% |
![]() | $649.00 | Condition is New – Open box, Grundfos UPS43-44FC 3 Speed Circulator Pump with Check Valve 63 GPM 115V Flanged, shipping cost = $18.68 | 100.0% |



The Grundfos UP-43 70F Circulator Pump is a high-performance, energy-efficient solution for your residential or light commercial heating and hot water applications. This pump, part of Grundfos' UP series, is renowned for its reliability, quiet operation, and long service life.
The UP-43 70F pump features a powerful and energy-efficient permanent magnet motor, which ensures smooth and silent operation, even under heavy loads. Its maximum flow rate of 70 gallons per minute (GPM) and head of 110 feet (33.5m) make it suitable for medium to large-sized residential applications, as well as light commercial systems.
The pump is equipped with an advanced hydraulic system, which includes an ECM motor and variable speed control, enabling it to optimize its performance based on the actual demand, thereby reducing energy consumption by up to 80% compared to traditional constant-speed pumps. This not only results in significant energy savings but also extends the pump's lifespan.
The UP-43 70F pump is designed with ease of installation in mind. It comes with pre-assembled wiring for simple plug-and-play connection, as well as a built-in strain relief for secure cable routing. Furthermore, the pump's compact size and lightweight design make it easy to handle and install in tight spaces.
The pump's corrosion-resistant materials and robust construction ensure long-term durability and reliability. It is also suitable for use with both single-phase and three-phase power sources, providing flexibility to meet various power supply requirements.
In conclusion, the Grundfos UP-43 70F Circulator Pump is an excellent choice for those seeking a high-performance, energy-efficient, and reliable pump solution for their heating and hot water systems. Its advanced features, easy installation, and long-term durability make it a smart investment for both residential and light commercial applications.
Pros of buying Grundfos UP-43 70F Circulator Pump:1. Energy Efficiency: The UP-43 70F is an energy-efficient pump, which can help reduce energy costs over time. It operates with a high efficiency rating, ensuring minimal energy waste.
2. Reliability: Grundfos is a well-known and reputable brand in the pump industry. The UP-43 70F is built with high-quality materials and has a robust design, ensuring long-lasting performance and reliability.
3. Quiet Operation: The pump is designed to operate quietly, making it ideal for use in residential applications where noise can be a concern.
4. Wide Operating Range: The UP-43 70F has a wide operating range, making it suitable for various applications and water flow requirements.
5. Versatility: This pump is compatible with a variety of water systems, including hot water, heating, and cooling systems.
Cons of buying Grundfos UP-43 70F Circulator Pump:1. Cost: The Grundfos UP-43 70F is a high-end pump, and its price reflects its quality. It may be more expensive than other circulator pumps on the market.
2. Complex Installation: Although the pump is designed for easy installation, it may still require professional assistance, especially for first-time installers or in complex plumbing systems.
3. Limited Warranty: Compared to some other high-end pumps, the Grundfos UP-43 70F has a relatively short warranty period, which may be a concern for some buyers.
Ending Conclusion:The Grundfos UP-43 70F is a high-quality, energy-efficient pump that offers reliable performance and quiet operation. Its wide operating range and versatility make it a suitable option for various plumbing applications. However, its high cost and limited warranty may be a drawback for some buyers. If budget is not a concern and you're looking for a durable, efficient, and quiet pump, the Grundfos UP-43 70F is a solid choice.
Recommendation:If you're in the market for a circulator pump and budget is not a major concern, the Grundfos UP-43 70F is a worthwhile investment. Its energy efficiency and reliability can provide long-term savings and peace of mind. However, if you're looking for a more budget-friendly option, you may want to explore other options that offer similar features but at a lower price point.
Details:
The exact items are pictured. The customer wanted them changed because they were rusty. Grundfos UP-43 70f circulator pump. They are not leaking and there is nothing wrong with the pumps.
Guaranteed working properly. One is missing the electrical cover used, removed working.
specifications maxohvac:
- brand: Grundfos
- mpn: Up-43
- model: Up-43 70f
- part type: Pump
offer maxohvac:
- availability: in stock
- sold #: 26
- started: july 28, 2024
- best offers: true
- options: ship-to-home
- in stock #: 5
- prices: $94.26–$2910.14
- item condition:
- New
- Used
- New – Open box
shipping maxohvac:
- class: standard
- service: usps ground advantage
- transit: 4-8 days
- type: calculated
- carrier: usps
payments maxohvac:
- credit card: discover
- wallet: paypal
- other
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- city: riverhead, new york
- rating: 98.8%
- # reviews: 1901
returns maxohvac:
- paid by: buyer
- time: 30 days
- method: money back
- policy: returns accepted


















































![Grundfos Circulation Pump UP 43-44 BF 52722439 P1 1/6 HP 68GPM [B7S4] Grundfos Circulation Pump UP 43-44 BF 52722439 P1 1/6 HP 68GPM [B7S4]](/z_maxohvac/~DYAAeSw0Idp~jUx.webp)






