
87-721 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $39.00 | Condition is New – Open box, Blue Diamond MaxiBlue Condensate Pump HVAC X87-721 208/230v, shipping cost = $7.00 | 99.2% |
![]() | $42.00 | Condition is New – Open box, Blue Diamond Maxi Blue X87-721 Condensate Removal Pump with Reservoir 208-230V, shipping cost = $9.00 | 100.0% |
![]() | $45.99 | Condition is New – Open box, Blue Diamond MaxiBlue X87-721 condensate removal pump NEW, open box, shipping cost = $7.90 | 100.0% |
![]() | $63.23 | Condition is New – Open box, Blue Diamond MaxiBlue X87-721, FREE SHIPPING | 100.0% |
![]() | $65.00 | Condition is New – Open box, New Blue Diamond MAXIBLUE Condensate Pump X87-721 208-230V, FREE SHIPPING | 100.0% |
![]() | $44.00 | Condition is New – Open box, Blue Diamond MaxiBlue Condensate Pump HVAC X87-721 208/230v, shipping cost = $29.45 | 100.0% |
![]() | $65.00 | Condition is New – Open box, Blue Diamond Maxi Blue Condensate Pump X87-721 208-230V Whisper Quiet Blue/Black, shipping cost = $8.75 | 100.0% |
![]() | $80.00 | Condition is New – Open box, Blue Diamond MaxiBlue Condensate Pump HVAC X87-721 208/230v, FREE SHIPPING | 100.0% |
![]() | $99.95 | Condition is New – Open box, BLUE DIAMOND PUMPS INC MAXIBLUE X87-721 230V/3.7G/HR 16.5' SUCTION LIFT USE FOR, FREE SHIPPING | 100.0% |
![]() | $65.00 | Condition is New – Open box, Blue Diamond X87-721 - MaxiBlue 3.7 GPH Condensate Pump, 230V NEW!, shipping cost = $37.57 | 100.0% |
![]() | $70.00 | Condition is New – Open box, Blue Diamond Max blue Pump , shipping cost = $34.05 | 100.0% |
![]() | $100.00 | Condition is New – Open box, Blue Diamond Maxi Blue X87-721 Condensate Pump for HVAC Air Conditioning, shipping cost = $8.75 | 100.0% |
![]() | $169.99 | Condition is New – Open box, X87-721 Blue Diamond Maxiblue Condensate Pump, 230V, 50/60Hz, shipping cost = $13.70 | ![]() |
![]() | $170.97 | Condition is New – Open box, Blue Diamond Maxiblue Condensate Pump HVAC X87-721, shipping cost = $14.10 | 99.6% |
![]() | $200.00 | Top Pick! Condition is New – Open box, Blue Diamond MaxiBlue Condensate Pump HVAC X87-721 208/230v , shipping cost = $16.77 | 100.0% |
![]() | $245.99 | Condition is New – Open box, Blue Diamond X87-721 - MaxiBlue 3.7 GPH Condensate Pump and Reservoir, 230V, FREE SHIPPING | ![]() |
![]() | $378.75 | Condition is New – Open box, BLUE DIAMOND PUMPS X87-721 / X87721 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $50.00 | Condition is New, Blue Diamond 230V 3.7GPH Condensate Removal Pump with Reservoir (X87-721), shipping cost = $8.13 | 100.0% |
![]() | $58.09 | Top Pick! Condition is New, Blue Diamond 230V 3.7GPH Condensate Removal Pump with Reservoir (X87-721), shipping cost = $8.75 | 100.0% |
![]() | $60.00 | Condition is New, Blue Diamond Maxiblue X87-721 230 V Condensate Removal pump with Reservoir, shipping cost = $8.13 | 97.9% |
![]() | $64.00 | Top Pick! Condition is New, Blue Diamond MaxiBlue Condensate Pump HVAC X87-721 208/230v, shipping cost = $9.14 | 100.0% |
![]() | $70.00 | Condition is New, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump 230V, shipping cost = $9.02 | 100.0% |
![]() | $79.00 | Condition is New, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump 230V - FREE SHIP!, FREE SHIPPING | 100.0% |
![]() | $87.50 | Condition is New, Blue Diamond Pumps Inc X87-721 208-230v, FREE SHIPPING | 98.6% |
![]() | $79.00 | Condition is New, Blue Diamond X87-721 - MaxiBlue 3.7 GPH Condensate Pump, 230V NEW!, shipping cost = $10.60 | 100.0% |
![]() | $99.95 | Condition is New, Blue Diamond X87-721 - MaxiBlue 3.7 GPH Condensate Pump, 230V NEW!, shipping cost = $9.95 | 100.0% |
![]() | $45.00 | Condition is New, Blue Diamond 230V 3.7GPH Condensate Removal Pump with Reservoir (X87-721), shipping cost = $71.88 | 100.0% |
![]() | $150.00 | Condition is New, Blue Diamond 230V 3.7GPH Condensate Removal Pump (X87-721), FREE SHIPPING | 100.0% |
![]() | $145.00 | Condition is New, Blue Diamond MaxiBlue Condensate Pump HVAC X87-721 208/230v , shipping cost = $9.35 | 100.0% |
![]() | $150.00 | Condition is New, BLUE DIAMOND - MAXIBLUE CONDENSATE PUMP 208/230V - X87-721, shipping cost = $9.35 | 100.0% |
![]() | $80.00 | Top Pick! Condition is New, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump Kit 230V, shipping cost = $84.24 | 100.0% |
![]() | $175.00 | Condition is New, Blue Diamond 230V 3.7GPH Condensate Removal Pump with Reservoir (X87-721), FREE SHIPPING | 0.0% |
![]() | $175.95 | Condition is New, Blue Diamond Maxiblue X87-721 230 V Condensate Removal pump with Reservoir, FREE SHIPPING | 100.0% |
![]() | $175.00 | Top Pick! Condition is New, Mini Split Condensate Pump Blue Diamond #X87-721, shipping cost = $10.60 | 100.0% |
![]() | $180.00 | Condition is New, BLUE DIAMOND - MAXIBLUE CONDENSATE PUMP 208/230V - X87-721, shipping cost = $9.42 | 100.0% |
![]() | $199.00 | Top Pick! Condition is New, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump Kit 230V, FREE SHIPPING | 100.0% |
![]() | $199.99 | Condition is New, BLUE DIAMOND - MAXIBLUE CONDENSATE PUMP 208/230V - X87-721, shipping cost = $6.00 | 99.4% |
![]() | $190.00 | Condition is New, Blue Diamond MaxiBlue Condensate Pump HVAC X87-721 208/230v, shipping cost = $20.00 | 100.0% |
![]() | $200.00 | Condition is New, Blue Diamond 230V 3.7GPH Condensate Removal Pump with Reservoir (X87-721), shipping cost = $18.95 | 100.0% |
![]() | $233.35 | Condition is New, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump Kit 230V, FREE SHIPPING | ![]() |
![]() | $249.97 | Condition is New, X87-721 Blue Diamond Maxiblue Condensate Pump, 230V, 50/60Hz, FREE SHIPPING | 100.0% |
![]() | $347.91 | Condition is New, Black Diamond Combi Front Discs for Corolla Mk5 FWD/4WD GT 1.6 16v AE82 84 87, shipping cost = $100.94 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $40.00 | Condition is Open box, Blue Diamond MaxiBlue 208-230V X87-721 Condensate Pump Mini Split AC , shipping cost = $9.06 | 100.0% |
![]() | $49.00 | Condition is Open box, New Blue Diamond Pumps Inc X87-721 208-230v, FREE SHIPPING | 98.6% |
![]() | $54.99 | Condition is Open box, Blue Diamond Maxiblue 3.7GPH Condensate Removal Pump w Reservoir 230V *X87-721, FREE SHIPPING | 100.0% |
![]() | $49.00 | Top Pick! Condition is Open box, Blue Diamond X87-721 MaxiBlue Condensate Pump Reservoir, 3.7 GPH, 208/230v, shipping cost = $11.16 | 100.0% |
![]() | $50.00 | Condition is Open box, Blue Diamond 230V 3.7GPH Condensate Removal Pump with Reservoir (X87-721), shipping cost = $10.95 | 100.0% |
![]() | $69.42 | Condition is Open box, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump 230V, FREE SHIPPING | 100.0% |
![]() | $60.00 | Top Pick! Condition is Open box, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump 230V, shipping cost = $10.69 | 100.0% |
![]() | $75.60 | Condition is Open box, Blue Diamond Pumps Inc X87-711 208-230v, FREE SHIPPING | 100.0% |
![]() | $87.00 | Condition is Open box, New Blue Diamond Pumps Inc X87-721 208-230v, FREE SHIPPING | 100.0% |
![]() | $81.00 | Condition is Open box, Blue Diamond MAXIBLUE Condensate Removal Pump 3.7 GPH 23 Head NEW x87-721, shipping cost = $9.99 | ![]() |
![]() | $99.95 | Condition is Open box, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump 230V, shipping cost = $8.75 | 99.0% |
![]() | $125.00 | Top Pick! Condition is Open box, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump Kit 230V New, shipping cost = $14.67 | 100.0% |
![]() | $129.00 | Condition is Open box, Blue Diamond MAXIBLUE X87-721 Condensate Pump and Reservoir 3.7 GPH 208-230V, shipping cost = $12.00 | 100.0% |
![]() | $145.00 | Condition is Open box, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump Kit 230V New, FREE SHIPPING | 100.0% |
![]() | $85.00 | Top Pick! Condition is Open box, Blue Diamond Pumps X87-721 MaxiBlue Mini-Split Condensate Pump 230V , shipping cost = $76.35 | 100.0% |
![]() | $200.00 | Condition is Open box, MaxiBlue X87-721 Blue Diamond Condensate Pump w/ Reservoir 208-230V 3.7GPH, shipping cost = $ | 100.0% |
![]() | $692.00 | Condition is Open box, Lot of(9) MaxiBlue X87-721 Blue Diamond Condensate Pump Only, No Reservoir, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $41.85 | Condition is Used, Blue Diamond 230V 3.7GPH Condensate Removal Pump with Reservoir (X87-721), FREE SHIPPING | 100.0% |
![]() | $281.02 | Condition is Used, BLUE DIAMOND PUMPS X87-721 / X87721 (USED), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $50.00 | Condition is For parts or not working, BLUE DIAMOND MAXI BLUE CONDENSATE PUMP AND RESERVOIR #X87-721, shipping cost = $10.00 | 99.7% |

The Diamond MAXIBLUE Condensate Pump X87-721 is a reliable and efficient solution for removing condensate water from your HVAC system. This pump is designed to handle the demands of residential and light commercial applications, making it a versatile choice for various heating and cooling systems.
The MAXIBLUE Condensate Pump features a durable, corrosion-resistant polypropylene housing that can withstand harsh environments. It is equipped with a powerful, permanently lubricated, magnetically coupled, and totally enclosed motor that ensures quiet and smooth operation. This motor operates on a 208/230V electrical supply, providing adequate power to handle the demands of your HVAC system.
The pump's maximum flow rate is 1.6 gallons per minute (GPM), and it can discharge water up to 15 feet vertically or 25 feet horizontally. It comes with a 1.5-inch NPT discharge connection, allowing for easy installation and integration into your existing system. The pump also includes a float-activated switch for automatic operation, ensuring that your system remains functional even during periods of heavy use.
Additionally, the MAXIBLUE Condensate Pump is designed with a non-clog impeller to prevent any potential obstructions, ensuring optimal performance and minimal maintenance requirements. The pump's overall dimensions are 11.5 inches long, 7 inches wide, and 11 inches tall, making it compact and easy to install in tight spaces.
In summary, the Diamond MAXIBLUE Condensate Pump X87-721 is a robust and efficient solution for managing the condensate water in your HVAC system. Its durable design, powerful motor, and automatic operation make it a reliable and convenient choice for maintaining the performance and longevity of your heating and cooling system.
Pros and Cons of buying a Diamond Maxiblue Condensate Pump X87-721 for HVAC Systems
The Diamond Maxiblue Condensate Pump X87-721 is a popular choice for HVAC systems due to its reliable performance and energy efficiency. In this analysis, we will discuss the advantages and disadvantages of purchasing this condensate pump.
Pros:1. Efficient Performance: The X87-721 model is a high-performance condensate pump, capable of handling large volumes of water. It is designed to work continuously, making it an excellent choice for commercial and industrial applications.
2. Energy Efficient: This pump features a permanent magnet motor, which is more energy-efficient compared to other types of motors. It can help save on electricity bills and reduce the overall operating costs of an HVAC system.
3. Durable Construction: The pump housing is made from corrosion-resistant materials, ensuring long-lasting performance. It is also equipped with a non-clogging impeller, which helps prevent debris build-up and reduces the need for frequent maintenance.
4. Easy Installation: The X87-721 comes with a flexible discharge hose and pre-installed check valves, making the installation process easier and quicker. It is also compatible with various HVAC systems, allowing for a wider range of applications.
Cons:1. Higher Initial Cost: Compared to other condensate pumps in the market, the Diamond Maxiblue X87-721 has a higher initial investment. This may be a deterrent for those with tight budgets or smaller HVAC systems.
2. Heavier Weight: At 21.5 lbs, the X87-721 is heavier than some other condensate pumps. This may require additional support during installation and transportation.
3. Limited Warranty: The pump comes with a 2-year limited warranty, which is shorter than some of its competitors. This may raise concerns for those who are looking for long-term peace of mind when making a purchase.
Conclusion:The Diamond Maxiblue Condensate Pump X87-721 offers several advantages, including efficient performance, energy efficiency, durable construction, and easy installation. However, its higher initial cost, heavier weight, and shorter warranty may be drawbacks for some buyers. Ultimately, the decision to purchase the X87-721 depends on the specific requirements and budget of the HVAC system.
Recommendation:For those who prioritize energy efficiency, reliability, and easy installation, the Diamond Maxiblue Condensate Pump X87-721 is an excellent choice. It is especially suitable for large-scale commercial and industrial applications where high water volume handling and continuous operation are essential. However, for smaller HVAC systems or those with a limited budget, there may be more cost-effective options available in the market.
Details:
The model X87-721 ensures smooth and efficient operation, making it a valuable addition to hvac systems requiring reliable condensate pump technology. Compatible with mitsubishi systems, this blue Diamond pump is a reliable choice for maintaining optimal performance in various industrial settings. With a power source of either 208 or 230v, this unit operates efficiently and effectively. The blue Diamond maxiblue condensate pump hvac X87-721 208/230v is a high-quality condensate pump designed for systems.
specifications maxohvac:
- brand: Blue Diamond
- mpn: 87-721
- compatible brand: For Mitsubishi
- type: Condensate Pump
- unit type: Unit
- power source: Battery
seller maxohvac:
- # reviews: 32
- rating: 100.0%
- city: garnett, kansas
offer maxohvac:
- options: ship-to-home
- prices: $39.00–$692.00
- item condition:
- New – Open box
- New
- Open box
- Used
- For parts or not working
- in stock #: 5
- started: june 28, 2025
- availability: in stock
- sold #: 16
payments maxohvac:
- credit card: mastercard
- wallet: apple-pay
- other
shipping maxohvac:
- transit: 11-17 days
- class: standard
- type: calculated
- service: usps ground advantage
- carrier: usps
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- policy: no returns





























































