{"product_id":"bell-gossett-series-e90-e9034s-2aab-pump-2hp-inline-circulator-b-g-179280lf","title":" Bell \u0026 Gossett Series e90 E9034S 2AAB Pump | 2HP Inline Circulator | B\u0026G 179280LF","description":"\u003cp class=\"ds-markdown-paragraph\"\u003eFor large commercial and industrial hydronic systems demanding robust performance and reliability, the Bell \u0026amp; Gossett E9034S 2AAB Series e90 pump delivers exceptional circulation power in a service-friendly inline package. This heavy-duty 2 HP circulator is engineered to handle high-flow, high-head applications in large buildings, central plants, and industrial processes where continuous operation is critical. Its advanced design builds upon the legendary Series 90 legacy while incorporating modern efficiency and reliability improvements.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe pump features a durable cast iron construction with a bronze impeller, ensuring long service life in demanding closed-loop systems. The high-efficiency wet-rotor design operates quietly while eliminating coupling alignment issues and reducing maintenance requirements. With three manual speed settings, system engineers can precisely fine-tune performance to match specific system curves, optimizing hydraulic characteristics and operational efficiency. The compact inline configuration saves valuable mechanical room space while providing easy installation between pipe flanges. For system design guidance, read our blog on \u003cstrong\u003e[Sizing Circulators for Large Commercial HVAC Systems]\u003c\/strong\u003e.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eAs the modern successor to the iconic Series 90, the e90 series maintains the same flange dimensions and performance characteristics while offering improved motor technology and bearing systems. Whether serving as a primary loop pump in a high-rise building or providing circulation in an industrial process, the E9034S 2AAB delivers the proven performance that mechanical engineers have trusted for decades. Learn about its evolution in our article \u003cstrong\u003e[From Series 90 to e90: The Evolution of a Commercial Workhorse]\u003c\/strong\u003e.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"ds-scroll-area _1210dd7\"\u003e \u003cdiv class=\"ds-scroll-area__gutters\"\u003e \u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003c\/div\u003e \u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eSpecification\u003c\/th\u003e \u003cth\u003eDetails\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eBell \u0026amp; Gossett E9034S 2AAB (179280LF)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMotor Power\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e2 HP (1.5 kW)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eConnection Size\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e2-1\/2″ Flange x 2-1\/2″ Flange\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eImpeller Material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eBronze\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eCast Iron\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMax Head\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e72 ft (22 m)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMax Flow\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e300 US gpm (1136 L\/min)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSpeed Settings\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e3-Speed (Manual)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMax Operating Pressure\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e175 psi (12.1 bar)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMax Fluid Temperature\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e230°F (110°C)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e208-230\/460V, 3-Phase\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSound Level\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u0026lt; 68 dBA\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eComparison Table: B\u0026amp;G e90 vs. Alternative Commercial Pumps\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"ds-scroll-area _1210dd7\"\u003e \u003cdiv class=\"ds-scroll-area__gutters\"\u003e \u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e \u003cdiv class=\"ds-scroll-area__horizontal-bar\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eFeature\u003c\/th\u003e \u003cth\u003eB\u0026amp;G E9034S 2AAB e90\u003c\/th\u003e \u003cth\u003eCompetitor A (Base-Mounted)\u003c\/th\u003e \u003cth\u003eCompetitor B (Inline ECM)\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDesign \u0026amp; Footprint\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eInline, Space-Saving\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eBase-Mounted, Larger Footprint\u003c\/td\u003e \u003ctd\u003eInline, Compact\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eHigh (Wet-Rotor Design)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eStandard\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003ePremium (Variable Speed)\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eControl Flexibility\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e3-Speed Manual\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOften Single-Speed\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eFully Variable\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eServiceability\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eGood (Cartridge Replacement)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eExcellent (Component Access)\u003c\/td\u003e \u003ctd\u003eModerate\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eInitial Cost\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eCompetitive\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHigher\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003ePremium\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eIdeal Application\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eLarge Commercial HVAC\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eIndustrial\/Plant Applications\u003c\/td\u003e \u003ctd\u003eEnergy-Critical Systems\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQs)\u003c\/strong\u003e\u003c\/h3\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ1: What type of applications require a 2 HP circulator like the E9034S?\u003c\/strong\u003e\u003cbr\u003e This pump is designed for large commercial buildings, institutional facilities, central plants, and industrial processes requiring substantial flow and head capacity. Typical applications include high-rise building primary\/secondary loops, campus distribution systems, large chilled water systems, and industrial process cooling circuits.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ2: How does the e90 series differ from the traditional Series 90 pumps?\u003c\/strong\u003e\u003cbr\u003e While maintaining the same flange dimensions and hydraulic performance, the e90 series features improved motor technology for higher efficiency, enhanced bearing systems for longer life, and updated materials for better corrosion resistance. For replacement scenarios, see our guide \u003cstrong\u003e[Upgrading from Series 90 to e90 Pumps]\u003c\/strong\u003e.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ3: Can this pump be used with variable frequency drives (VFDs)?\u003c\/strong\u003e\u003cbr\u003e Yes, when equipped with a compatible 3-phase motor, the E9034S is ideal for VFD operation. This enables significant energy savings through speed control, soft starting to reduce electrical stress, and precise system matching. For optimized performance, consider our \u003cstrong\u003e[Bell \u0026amp; Gossett VFD-Enhanced Pump Packages]\u003c\/strong\u003e.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ4: What maintenance does this commercial circulator require?\u003c\/strong\u003e\u003cbr\u003e The wet-rotor design requires no lubrication or mechanical seal maintenance. Primary maintenance involves ensuring clean system water to prevent bearing damage, periodic electrical checks, and monitoring for unusual noise or vibration. The modular cartridge design simplifies any potential service needs.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ5: Is this pump suitable for both heating and cooling applications?\u003c\/strong\u003e\u003cbr\u003e Yes, the E9034S is designed for closed-loop hydronic systems operating with water or glycol solutions within its published temperature and pressure ratings. It performs effectively in heating systems up to 230°F and chilled water systems for air conditioning applications.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003ePros and Cons\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"ds-scroll-area _1210dd7\"\u003e \u003cdiv class=\"ds-scroll-area__gutters\"\u003e \u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e \u003cdiv class=\"ds-scroll-area__horizontal-bar\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003c\/div\u003e \u003c\/div\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003ePros\u003c\/th\u003e \u003cth\u003eCons\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eHigh-Performance Capability\u003c\/strong\u003e for large systems\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eHigher Initial Cost\u003c\/strong\u003e than smaller commercial circulators\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eProven Reliability\u003c\/strong\u003e with B\u0026amp;G engineering heritage\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eFixed Speed Operation\u003c\/strong\u003e limits energy savings potential\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eSpace-Saving\u003c\/strong\u003e inline design\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eHeavy Weight\u003c\/strong\u003e requires proper pipe support\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003e3-Speed Flexibility\u003c\/strong\u003e for system balancing\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eManual Speed Setting\u003c\/strong\u003e requires physical adjustment\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eLow Maintenance\u003c\/strong\u003e wet-rotor design\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003e3-Phase Power Required\u003c\/strong\u003e (not for single-phase applications)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eVFD Compatible\u003c\/strong\u003e for energy optimization\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eCast Iron Construction\u003c\/strong\u003e limits use to closed-loop systems\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eConclusion \u0026amp; Ideal Use Cases\u003c\/strong\u003e\u003c\/h3\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe Bell \u0026amp; Gossett E9034S 2AAB Series e90 pump represents the professional-grade solution for large-scale hydronic systems where reliability, performance, and serviceability are paramount. Its balanced combination of proven hydraulic performance and modern efficiency makes it an excellent value for demanding commercial and industrial applications.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eThis circulator is ideally specified for:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eLarge Commercial Buildings:\u003c\/strong\u003e Office towers, shopping centers, and hospitals\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eInstitutional Facilities:\u003c\/strong\u003e University campuses, government buildings, and schools\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eCentral Utility Plants:\u003c\/strong\u003e Primary and secondary pumping applications\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eIndustrial Processes:\u003c\/strong\u003e Cooling circuits and thermal transfer systems\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eFor smaller commercial applications, the \u003cstrong\u003e[Bell \u0026amp; Gossett e-80 Series Circulators]\u003c\/strong\u003e offer more appropriate capacity, while for energy-critical applications requiring variable speed, the \u003cstrong\u003e[Bell \u0026amp; Gossett Ecocirc Series]\u003c\/strong\u003e provides superior efficiency. The E9034S 2AAB fills the critical performance niche for large systems where proven reliability and robust construction outweigh the benefits of premium variable-speed technology.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eContact our commercial HVAC specialists today for application engineering, performance curve analysis, and specification support for your next large-scale hydronic project.\u003c\/strong\u003e\u003c\/p\u003e","brand":"TITANPARTHUB","offers":[{"title":"Default Title","offer_id":52160964788455,"sku":null,"price":1922.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/7806\/3335\/files\/0ffd15ae-179280LF-Bell-Gossett-E9034S-2AAB-Series-e90.webp?v=1780566423","url":"https:\/\/titanparthub.com\/products\/bell-gossett-series-e90-e9034s-2aab-pump-2hp-inline-circulator-b-g-179280lf","provider":"TITANPARTHUB","version":"1.0","type":"link"}