{"product_id":"taco-111-8s-series-100-stainless-steel-pump-1-8-hp-circulator-model-111-8s","title":"Taco 111-8S Series 100 Stainless Steel Pump | 1\/8 HP Circulator | Model 111-8S","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eFor applications demanding maximum corrosion resistance in a compact, efficient package, the Taco 111-8S Series 100 Stainless Steel Pump stands as a reliable solution. This versatile 1\/8 HP circulator is engineered with all 304 stainless steel wetted parts, making it ideal for domestic water recirculation, coastal installations, and systems with aggressive water chemistry where standard cast iron pumps would quickly deteriorate.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe pump features a high-efficiency, wet-rotor design that provides quiet, maintenance-free operation while eliminating the need for routine lubrication. Its compact, inline configuration allows for easy installation in tight spaces, from residential utility closets to commercial mechanical rooms. The all-stainless fluid path ensures long-term durability and material purity, preventing rust contamination and extending service life in challenging environments. For help selecting the right pump material, read our guide \u003cstrong\u003e\u003ca href=\"https:\/\/xfactorsmotorsports.com\/circulator-pump-materials\/\"\u003eChoosing Between Cast Iron, Bronze, and Stainless Steel Circulators\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eAs part of Taco’s proven Series 100 line, this circulator offers a direct replacement for many OEM applications while providing superior corrosion protection. Whether you’re maintaining a domestic hot water loop in a coastal home or ensuring reliable circulation in a laboratory setting, the 111-8S delivers consistent performance you can count on season after season. Learn about its advantages in our article \u003cstrong\u003e[The Benefits of Stainless Steel in Plumbing and HVAC Applications]\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\u003eTaco 111-8S (Series 100)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMotor Power\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1\/8 HP (0.09 kW)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eConnection Size\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e3\/4″ FIPT x 3\/4″ FIPT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWetted Parts\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e304 Stainless Steel\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eImpeller Material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e304 Stainless Steel\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e304 Stainless Steel\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMax Head\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e8 ft (2.4 m)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMax Flow\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e20 US gpm (76 L\/min)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSpeed Settings\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSingle Speed\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMax Operating Pressure\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e125 psi (8.6 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\u003e115V, 1-Phase\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e5.5 lbs (2.5 kg)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eComparison Table: Taco 111-8S vs. Alternative Circulators\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\u003eTaco 111-8S (Stainless)\u003c\/th\u003e \u003cth\u003eStandard Cast Iron\u003c\/th\u003e \u003cth\u003eBronze Circulator\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCorrosion Resistance\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eExcellent (304 SS)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePoor\u003c\/td\u003e \u003ctd\u003eGood\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaterial Purity\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eHigh – No Iron Contamination\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eLow – Rust Potential\u003c\/td\u003e \u003ctd\u003eMedium\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eLightweight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeavy\u003c\/td\u003e \u003ctd\u003eMedium\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCost\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003ePremium\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eEconomy\u003c\/td\u003e \u003ctd\u003eModerate\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eIdeal Application\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eDomestic Water, Coastal, Chemical\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eClosed-Loop Heating\u003c\/td\u003e \u003ctd\u003eDomestic Water, Coastal\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eMaintenance-Free\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eMaintenance-Free\u003c\/td\u003e \u003ctd\u003eMaintenance-Free\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 applications is this stainless steel circulator best suited for?\u003c\/strong\u003e\u003cbr\u003e The 111-8S is perfect for domestic hot water recurculation systems, coastal homes with salt-air exposure, laboratory water circuits, and any application where iron contamination cannot be tolerated or where water chemistry would corrode standard materials.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ2: Is this pump suitable for potable water systems?\u003c\/strong\u003e\u003cbr\u003e Yes, the 304 stainless steel construction is safe for potable water applications and meets relevant standards for drinking water system components, making it an excellent choice for domestic hot water recirculation.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ3: How does the wet-rotor design benefit homeowners?\u003c\/strong\u003e\u003cbr\u003e The wet-rotor design means the pump operates quietly and requires no maintenance – no lubrication, no mechanical seals to replace. The system fluid lubricates and cools the motor bearings, ensuring long, trouble-free service life.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ4: Can this pump be used in both heating and plumbing applications?\u003c\/strong\u003e\u003cbr\u003e While its stainless construction makes it ideal for plumbing applications, it can also be used in hydronic heating systems. However, for standard closed-loop heating applications without corrosion concerns, a cast iron model like the \u003cstrong\u003e[Taco 00-R Series Cast Iron Circulator]\u003c\/strong\u003e may be more cost-effective.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eQ5: What makes stainless steel superior to bronze for corrosive applications?\u003c\/strong\u003e\u003cbr\u003e While both materials offer good corrosion resistance, 304 stainless steel provides broader chemical compatibility and superior resistance to certain types of corrosion, particularly in applications with chlorides or low-pH water. It also completely eliminates any risk of dezincification that can occur with some bronze alloys.\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\u003eExcellent Corrosion Resistance\u003c\/strong\u003e with 304 stainless steel\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eHigher Initial Cost\u003c\/strong\u003e than cast iron circulators\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003ePotable Water Safe\u003c\/strong\u003e for domestic water applications\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eLower Flow\/Head Capacity\u003c\/strong\u003e than larger circulators\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eMaintenance-Free Operation\u003c\/strong\u003e with wet-rotor design\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eSingle-Speed Operation\u003c\/strong\u003e limits performance adjustment\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eLightweight \u0026amp; Compact\u003c\/strong\u003e for easy installation\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003ePremium Price Point\u003c\/strong\u003e for specialized applications\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eQuiet Operation\u003c\/strong\u003e ideal for residential applications\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eMay Be Overkill\u003c\/strong\u003e for standard heating applications\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\n\u003cstrong\u003eNo Iron Contamination\u003c\/strong\u003e of system water\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eLimited to Clean Water\u003c\/strong\u003e applications\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 Taco 111-8S Series 100 Stainless Steel Pump represents the optimal choice for small to medium applications where material compatibility and corrosion resistance are critical. While commanding a premium over standard circulators, its all-stainless construction ensures reliable performance in environments that would quickly degrade conventional pumps.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eThis circulator is essential for:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eDomestic Water Recirculation:\u003c\/strong\u003e Hot water return lines in homes and small commercial buildings\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eCoastal Installations:\u003c\/strong\u003e Buildings in marine environments with salt-air exposure\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eLaboratory \u0026amp; Medical Facilities:\u003c\/strong\u003e Where water purity and material compatibility are critical\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eChemical-Sensitive Applications:\u003c\/strong\u003e Water with aggressive chemistry or chlorination\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eReplacement Applications:\u003c\/strong\u003e Updating older systems where iron contamination is a concern\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eFor larger domestic water applications, consider the \u003cstrong\u003e[Taco 160-8S Stainless Steel Circulator]\u003c\/strong\u003e, while for standard hydronic heating in non-corrosive environments, the \u003cstrong\u003e[Taco 00-R Series Cast Iron Circulators]\u003c\/strong\u003e offer better value. The 111-8S fills a critical niche for small-scale applications requiring the superior corrosion resistance of stainless steel construction. For material compatibility standards, consult the \u003ca href=\"https:\/\/www.ecpwaterfilter.com\/?gad_source=1\u0026amp;gad_campaignid=20444760718\u0026amp;gbraid=0AAAAABKIkINtg_aXH2fEiPBeOwbvzYQzh\u0026amp;gclid=Cj0KCQjw6bfHBhDNARIsAIGsqLjd1FXwTpRz-zWlY75lcZQpGm4UO-tqXyEWBfgUQauTwFX5r_QuHR0aAj5REALw_wcB\"\u003e\u003cstrong\u003eNSF International website for drinking water system components\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eContact our plumbing and HVAC specialists today to determine if your application requires stainless steel construction and for assistance in selecting the right circulator for your specific system requirements.\u003c\/strong\u003e\u003c\/p\u003e","brand":"TITANPARTHUB","offers":[{"title":"Default Title","offer_id":52160964526311,"sku":null,"price":1637.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/7806\/3335\/files\/c348946c-111-8S-Taco-Series-100-Stainless-Steel-Pump.webp?v=1780566423","url":"https:\/\/titanparthub.com\/products\/taco-111-8s-series-100-stainless-steel-pump-1-8-hp-circulator-model-111-8s","provider":"TITANPARTHUB","version":"1.0","type":"link"}