{"product_id":"taco-1935e1e1-cast-iron-pump-1-2hp-3-phase-commercial-industrial","title":"Taco 1935E1E1 Cast Iron Pump | 1\/2HP, 3 Phase | Commercial \u0026 Industrial","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e \u003c\/p\u003e\u003ch1\u003e\u003cstrong\u003eTaco 1935E1E1 Cast Iron Centrifugal Pump | Ultimate Product Guide\u003c\/strong\u003e\u003c\/h1\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe Taco 1935E1E1 is a robust, close-coupled centrifugal pump designed for heavy-duty commercial and industrial applications. Constructed with a durable \u003cstrong\u003ecast iron body\u003c\/strong\u003e, this pump is built to handle the demands of continuous operation in HVAC systems, industrial process lines, and water transfer applications. Powered by a versatile \u003cstrong\u003e1\/2 HP, 3-phase motor\u003c\/strong\u003e with \u003cstrong\u003e208-230\/460V\u003c\/strong\u003e capability, it offers the reliability and efficiency required for modern facility operations.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eAs part of the proven Taco 1900 Series, this model features a simple yet highly effective design with a \u003cstrong\u003eback pullout capability\u003c\/strong\u003e, allowing for easier maintenance of the seal and rotating assembly without disturbing the motor or piping. Ideal for closed-loop heating and cooling systems, the \u003cstrong\u003eTaco 1935E1E1\u003c\/strong\u003e delivers consistent performance where durability and serviceability are paramount.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h2\u003e \u003cdiv class=\"markdown-table-wrapper\"\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eFeature\u003c\/th\u003e \u003cth\u003eSpecification\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eTaco Comfort Solutions\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1900 Series\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1935E1E1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePump Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eClose-Coupled, Centrifugal\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHorsepower (HP)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1\/2 HP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMotor Phase\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eThree Phase\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003e208-230\/460V\u003c\/strong\u003e (Multi-Tap)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eCast Iron\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eFlanged\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eConnection Size\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1.5″ (Model Specific)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSeal Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eMechanical Seal\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eService\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eBack Pullout Capable\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eIndustrial Duty Cast Iron:\u003c\/strong\u003e Provides superior durability and longevity in demanding environments.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eBack Pullout Design:\u003c\/strong\u003e Enables service of the seal, impeller, and bearing frame without disconnecting the pump from the piping.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eThree-Phase Power:\u003c\/strong\u003e Offers higher efficiency, simpler design, and greater torque for industrial settings.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eMulti-Voltage Motor:\u003c\/strong\u003e Can be wired for 208-230V or 460V operation, providing flexibility for different facility power supplies.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eFlanged Connections:\u003c\/strong\u003e Provide a strong, leak-free connection suitable for industrial piping systems.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eReliable \u0026amp; Simple:\u003c\/strong\u003e A time-tested, mechanically simple design known for durability and ease of maintenance.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eTaco 1935E1E1 vs. Standard Single-Phase Pumps: Comparison Table\u003c\/strong\u003e\u003c\/h2\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThis table highlights the advantages of this industrial-grade pump.\u003c\/p\u003e \u003cdiv class=\"markdown-table-wrapper\"\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eFeature\u003c\/th\u003e \u003cth\u003eTaco 1935E1E1 (Industrial)\u003c\/th\u003e \u003cth\u003eStandard Single-Phase Pump\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePower Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e3-Phase (Industrial)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSingle Phase (Residential\/Commercial)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eHigher\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eLower\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMotor Design\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eSimpler, More Robust\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eRequires Start Capacitor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eTorque\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eHigher Starting Torque\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eLower Starting Torque\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eCommercial\/Industrial Continuous Duty\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eResidential\/Light Commercial\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eVoltage Flexibility\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003e208-230\/460V Capable\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eTypically Single Voltage\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCost of Operation\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eLower (Long-Term)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHigher\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h2\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ1: Is this pump suitable for potable water?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA: No.\u003c\/strong\u003e The \u003cstrong\u003ecast iron construction\u003c\/strong\u003e is not suitable for potable (drinking) water applications as it will rust and contaminate the water supply. This pump is designed for \u003cstrong\u003eclosed-loop heating and cooling systems\u003c\/strong\u003e and other non-potable applications.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ2: How do I wire the motor for different voltages?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA:\u003c\/strong\u003e The motor is multi-voltage. The connection diagram on the motor’s nameplate will provide specific instructions for wiring it for either 208-230V or 460V operation. \u003cstrong\u003eIt is absolutely critical to ensure the power supply matches the wiring configuration.\u003c\/strong\u003e This should be performed by a qualified electrician.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ3: What does “back pullout” capability mean?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA:\u003c\/strong\u003e This is a major service advantage. It allows a technician to unbolt the entire rotating assembly (impeller, shaft, bearings, seal) and pull it straight back from the volute (pump body) for service. The motor stays aligned on its base, and the piping connections remain undisturbed, saving significant labor time.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ4: What applications is this pump designed for?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA:\u003c\/strong\u003e This pump is built for commercial and industrial duties, including:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eCommercial HVAC Systems\u003c\/strong\u003e (Chilled Water, Hot Water)\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eIndustrial Cooling Loops\u003c\/strong\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eBoiler Feed Applications\u003c\/strong\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eWater Transfer in Industrial Processes\u003c\/strong\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eGeneral Service Applications\u003c\/strong\u003e\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ5: What is the advantage of a 3-phase motor?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA:\u003c\/strong\u003e Three-phase motors are more efficient, have a simpler design without start capacitors, provide higher starting torque, and are generally more reliable for continuous industrial operation than single-phase motors.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ6: What kind of maintenance does this pump require?\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eA:\u003c\/strong\u003e These pumps are designed for minimal maintenance. The primary service item is the mechanical seal, which may eventually need replacement if it begins to leak. The back pullout design makes this service much easier. Ensuring the system is clean and free of abrasives will maximize the seal and bearing life.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003ePros and Cons\u003c\/strong\u003e\u003c\/h2\u003e \u003ch3\u003e\u003cstrong\u003ePros:\u003c\/strong\u003e\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eIndustrial Durability:\u003c\/strong\u003e Cast iron construction stands up to demanding environments and continuous operation.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e3-Phase Efficiency:\u003c\/strong\u003e Provides higher efficiency and better performance than equivalent single-phase models.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e The back pullout design drastically reduces downtime for seal and impeller service.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eVoltage Flexibility:\u003c\/strong\u003e The multi-tap motor can adapt to common industrial voltages (208-230V or 460V).\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eProven Design:\u003c\/strong\u003e Part of Taco’s reliable 1900 Series, known for longevity in commercial applications.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eFlanged Connections:\u003c\/strong\u003e Provide a robust, leak-free connection for industrial piping systems.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003e\u003cstrong\u003eCons:\u003c\/strong\u003e\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eNot for Potable Water:\u003c\/strong\u003e Cast iron construction limits it to non-potable applications only.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eRequires 3-Phase Power:\u003c\/strong\u003e Limits installation to facilities with 3-phase electrical service.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eHigher Initial Cost:\u003c\/strong\u003e More expensive than basic single-phase circulators.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eHeavier Weight:\u003c\/strong\u003e Cast iron construction makes it heavier than composite or bronze pumps.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Proper installation and wiring are required for optimal operation.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eConclusion \u0026amp; Best Applications\u003c\/strong\u003e\u003c\/h2\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe \u003cstrong\u003eTaco 1935E1E1\u003c\/strong\u003e is a workhorse pump designed for reliability and serviceability in commercial and industrial fluid handling systems. It represents the ideal balance of proven mechanical design and industrial-grade electrical components.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eYou should choose this pump if:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eYou need a pump for a \u003cstrong\u003ecommercial building’s HVAC system\u003c\/strong\u003e or industrial process.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eYou have access to a \u003cstrong\u003e3-phase power supply\u003c\/strong\u003e.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eEase of maintenance\u003c\/strong\u003e is important for minimizing downtime.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe application involves \u003cstrong\u003eclosed-loop systems\u003c\/strong\u003e with non-potable water.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eYou value \u003cstrong\u003edurability and long service life\u003c\/strong\u003e over the lowest initial cost.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eFor facility managers and engineers who need a dependable pump for critical systems, the Taco 1900 Series continues to be a trusted and logical choice.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e This pump is designed for closed-loop systems with non-potable water. Professional installation by a qualified technician is required to ensure proper wiring (3-phase), piping support, and system operation. Always confirm the motor is wired for the correct supply voltage.\u003c\/p\u003e","brand":"TITANPARTHUB","offers":[{"title":"Default Title","offer_id":52160962199783,"sku":null,"price":2455.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/7806\/3335\/files\/bfae2597-Taco-1935E1E1.jpg?v=1780566419","url":"https:\/\/titanparthub.com\/products\/taco-1935e1e1-cast-iron-pump-1-2hp-3-phase-commercial-industrial","provider":"TITANPARTHUB","version":"1.0","type":"link"}