{"product_id":"hcp-mechanical-seal-kit-s21b200g05","title":"HCP Mechanical Seal Kit S21B200G05","description":"\u003ch2\u003eHCP GD\/GDN Grinder Pumps for Low-Pressure Sewer Systems and Long-Distance Sewage Transfer\u003c\/h2\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eWhen a gravity sewer is not available and the discharge line has to run hundreds of feet through a small-diameter pressure pipe, a standard sewage ejector cannot do the job. The \u003cstrong\u003eHCP GD and GDN grinder pumps\u003c\/strong\u003e macerate sewage into a fine slurry and push it through 1-1\/4 inch lines at heads up to 90 ft. Two motor sizes cover residential through light-commercial loads.\u003c\/p\u003e\n\u003ch3\u003eQuick Specs\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eGD-2.5 \/ GDN-2.5 (1 HP)\u003c\/th\u003e\n\u003cth\u003eGD-21 \/ GDN-21 (2 HP)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHP\u003c\/td\u003e\n\u003ctd\u003e1 HP (0.75 kW)\u003c\/td\u003e\n\u003ctd\u003e2 HP (1.5 kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e120V 1-ph (GD) or 208\/240V 3-ph (GDN)\u003c\/td\u003e\n\u003ctd\u003e208\/240V 1-ph (GD) or 208\/240V 3-ph (GDN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e12 A (120V)\u003c\/td\u003e\n\u003ctd\u003e12.3 A (240V 1-ph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 inch (32 mm) NPT\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 inch (32 mm) NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax flow\u003c\/td\u003e\n\u003ctd\u003e22 GPM\u003c\/td\u003e\n\u003ctd\u003e28 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax head\u003c\/td\u003e\n\u003ctd\u003e57 ft\u003c\/td\u003e\n\u003ctd\u003e90 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrinding\u003c\/td\u003e\n\u003ctd\u003eHardened steel cutter + shredder ring\u003c\/td\u003e\n\u003ctd\u003eHardened steel cutter + shredder ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features of HCP GD\/GDN Grinder Pumps\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe hardened steel cutter and shredder ring macerate sewage, rags, wipes, and soft solids into a fine slurry that passes through a 1-1\/4 inch discharge line. This is what separates a grinder pump from a sewage ejector: grinders reduce waste to slurry, ejectors pass solids whole through a larger pipe.\u003c\/li\u003e\n\u003cli\u003eAt 57 ft (1 HP) and 90 ft (2 HP) of head, the GD\/GDN pumps push slurry through small-diameter pressure lines over distances that stall a vortex ejector. This makes them practical for low-pressure sewer systems, rural properties, and buildings far from the gravity main.\u003c\/li\u003e\n\u003cli\u003eA cast-iron (FC200) casing and volute with a 304 stainless steel motor frame handle continuous sewage duty. Double mechanical seals (carbon\/ceramic upper, silicon carbide lower) run in an oil-filled chamber to keep sewage out of the motor.\u003c\/li\u003e\n\u003cli\u003eThe 120V and 240V single-phase models include an auto-cut thermal protector and moisture sensor. Three-phase models use external overload protection. All models are IP68 sealed and rated for permanent submersion to 33 ft (10 m).\u003c\/li\u003e\n\u003cli\u003ecUL (UL778) and CSA C22.2 No. 108-14 certified across all variants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eGD-2.5 \/ GDN-2.5 (1 HP)\u003c\/th\u003e\n\u003cth\u003eGD-21 \/ GDN-21 (2 HP)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHCP\u003c\/td\u003e\n\u003ctd\u003eHCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eGD-2.5 (1-ph) \/ GDN-2.5 (3-ph)\u003c\/td\u003e\n\u003ctd\u003eGD-21 (1-ph) \/ GDN-21 (3-ph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU (by voltage)\u003c\/td\u003e\n\u003ctd\u003eGD-2.5-6117EPE3NX (120V), GDN-2.5-63AOEXE4NX (240V 3-ph)\u003c\/td\u003e\n\u003ctd\u003eGD-21-62A7EPE3NX (240V 1-ph), GDN-21-63AOEXE4NX (240V 3-ph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSubmersible grinder pump\u003c\/td\u003e\n\u003ctd\u003eSubmersible grinder pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Output\u003c\/td\u003e\n\u003ctd\u003e1 HP (0.75 kW); input 1.1 kW\u003c\/td\u003e\n\u003ctd\u003e2 HP (1.5 kW); input 2.05 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Options\u003c\/td\u003e\n\u003ctd\u003e120V 1-ph, 208\/240V 3-ph, 60 Hz\u003c\/td\u003e\n\u003ctd\u003e208\/240V 1-ph, 208\/240V 3-ph, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e12 A (120V)\u003c\/td\u003e\n\u003ctd\u003e12.3 A (240V 1-ph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStart Method\u003c\/td\u003e\n\u003ctd\u003eCapacitor (120V)\u003c\/td\u003e\n\u003ctd\u003eCapacitor (240V 1-ph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e3400 rpm (2 pole)\u003c\/td\u003e\n\u003ctd\u003e3400 rpm (2 pole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Class\u003c\/td\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 inch (32 mm), Female NPT\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 inch (32 mm), Female NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Flow\u003c\/td\u003e\n\u003ctd\u003e22 GPM\u003c\/td\u003e\n\u003ctd\u003e28 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Head\u003c\/td\u003e\n\u003ctd\u003e57 ft\u003c\/td\u003e\n\u003ctd\u003e90 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrinding Mechanism\u003c\/td\u003e\n\u003ctd\u003eHardened steel cutter + shredder ring\u003c\/td\u003e\n\u003ctd\u003eHardened steel cutter + shredder ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Seal\u003c\/td\u003e\n\u003ctd\u003eDouble (carbon\/ceramic upper, SiC lower), oil-filled (VG32, 190 cc)\u003c\/td\u003e\n\u003ctd\u003eDouble (carbon\/ceramic upper, SiC lower), oil-filled (VG32, 350 cc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCasing \/ Volute\u003c\/td\u003e\n\u003ctd\u003eCast iron (FC200)\u003c\/td\u003e\n\u003ctd\u003eCast iron (FC200)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Frame\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel (SUS304)\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel (SUS304)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft\u003c\/td\u003e\n\u003ctd\u003eSUS410 stainless\u003c\/td\u003e\n\u003ctd\u003eSUS410 stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Devices\u003c\/td\u003e\n\u003ctd\u003eAuto-cut thermal protector + moisture sensor (1-ph); external overload (3-ph)\u003c\/td\u003e\n\u003ctd\u003eAuto-cut thermal protector + moisture sensor (1-ph); external overload (3-ph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Submersion Depth\u003c\/td\u003e\n\u003ctd\u003e33 ft (10 m)\u003c\/td\u003e\n\u003ctd\u003e33 ft (10 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Liquid Temp\u003c\/td\u003e\n\u003ctd\u003e104°F (40°C)\u003c\/td\u003e\n\u003ctd\u003e104°F (40°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Starts per Hour\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCord\u003c\/td\u003e\n\u003ctd\u003e30 ft, SJOW (120V) \/ SOW (3-ph)\u003c\/td\u003e\n\u003ctd\u003e30 ft, SJOW (240V 1-ph) \/ SOW (3-ph)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e43 lb (19.5 kg) 1-ph; 41 lb (18.5 kg) 3-ph\u003c\/td\u003e\n\u003ctd\u003e62 lb (28 kg) 1-ph; 60 lb (27 kg) 3-ph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003ecUL (UL778), CSA C22.2 No. 108-14\u003c\/td\u003e\n\u003ctd\u003ecUL (UL778), CSA C22.2 No. 108-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eHCP Pump Manufacturer Co., Ltd.\u003c\/td\u003e\n\u003ctd\u003eHCP Pump Manufacturer Co., Ltd.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePerformance Overview\u003c\/h3\u003e\n\u003cp\u003eGrinder pump curves are steep: high head at low flow, with flow dropping off quickly as head rises. The GD-2.5 \/ GDN-2.5 reaches 57 ft; the GD-21 \/ GDN-21 reaches 90 ft. Size the pump to the total dynamic head (vertical lift plus friction loss) of your pressure line.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1016\/5405\/files\/HCP_GD_GDN.png?v=1785045023\" alt=\"HCP GD GDN\"\u003e\u003c\/p\u003e\n\u003ch3\u003eGrinder pump vs sewage ejector\u003c\/h3\u003e\n\u003cp\u003eBoth move sewage, but they work differently and fit different piping systems.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eGrinder pump (GD\/GDN)\u003c\/th\u003e\n\u003cth\u003eSewage ejector (FN-UL series)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAction\u003c\/td\u003e\n\u003ctd\u003eMacerates waste into slurry\u003c\/td\u003e\n\u003ctd\u003ePasses solids whole (up to 2 inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge\u003c\/td\u003e\n\u003ctd\u003e1-1\/4 inch pressure line\u003c\/td\u003e\n\u003ctd\u003e2 inch or larger gravity\/short-pressure line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead\u003c\/td\u003e\n\u003ctd\u003e57 to 90 ft\u003c\/td\u003e\n\u003ctd\u003e26 to 36 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow\u003c\/td\u003e\n\u003ctd\u003e22 to 28 GPM\u003c\/td\u003e\n\u003ctd\u003e66 to 100 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eLong-distance pressure sewer, rural, no gravity main\u003c\/td\u003e\n\u003ctd\u003eShort lift to gravity main or septic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLow-pressure sewer (LPS) systems where gravity sewer is not available\u003c\/li\u003e\n\u003cli\u003eRural and semi-rural properties with long runs to the municipal connection\u003c\/li\u003e\n\u003cli\u003eBasement bathrooms and below-grade basins where the discharge must travel through small-diameter pressure pipe\u003c\/li\u003e\n\u003cli\u003eSeasonal properties, cottages, and remote buildings\u003c\/li\u003e\n\u003cli\u003eLight-commercial sewage grinding for restaurants, shops, and small office buildings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuild it into a basin with a check valve and control panel from the \u003ca href=\"https:\/\/cleanflow.net\/collections\/sewage-pump-accessories\"\u003esewage pump accessories\u003c\/a\u003e collection.\u003c\/p\u003e\n\u003ch3\u003eBuy HCP GD\/GDN Grinder Pumps Online from Cleanflow\u003c\/h3\u003e\n\u003cp\u003eWhen the sewer main is far away and the pipe has to be small, the \u003cstrong\u003eHCP GD and GDN grinder pumps\u003c\/strong\u003e macerate sewage and push it through 1-1\/4 inch lines at heads up to 90 ft. \u003cstrong\u003eCleanflow Utility Supply Company\u003c\/strong\u003e is an authorized HCP dealer, stocking and shipping \u003ca href=\"https:\/\/cleanflow.net\/collections\/hcp\"\u003eHCP pumps\u003c\/a\u003e across Canada and the continental USA, with free shipping on orders over $199.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrowse the full \u003ca href=\"https:\/\/cleanflow.net\/collections\/hcp-sewage-pumps\"\u003esewage pumps\u003c\/a\u003e and \u003ca href=\"https:\/\/cleanflow.net\/collections\/hcp-grinder-pumps\"\u003egrinder pumps\u003c\/a\u003e range, then add the GD or GDN to your cart or contact us to size the right grinder for your pressure line.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eDoes the HCP GD-2.5 replace the GD-A05?\u003c\/h4\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eYes. The GD-2.5 is HCP's replacement for the discontinued GD-A05, with the same 1 HP, 1-1\/4 inch grinder format and an updated motor. It comes in 120V single-phase (GD-2.5) and 208\/240V three-phase (GDN-2.5), so existing GD-A05 installs swap over with no plumbing change.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eGD-2.5 or GD-21, which grinder pump do I need?\u003c\/h4\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eSize it to total dynamic head (vertical lift plus friction loss in the pressure line). The 1 HP GD-2.5 reaches 57 ft. The 2 HP GD-21 reaches 90 ft. For runs over 57 ft TDH or higher-flow commercial loads, the GD-21 is the right choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eWhat is the difference between a grinder pump and a sewage ejector?\u003c\/h4\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eA grinder pump macerates waste into a fine slurry and pushes it through a small-diameter (1-1\/4 inch) pressure line at high head. A sewage ejector passes 2-inch solids whole through a 2-inch or larger pipe at lower head. Use a grinder when you need to pump long distances through small pipe. Use an ejector for short lifts to a nearby gravity main.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eCan a grinder pump handle wipes and rags?\u003c\/h4\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eThe hardened steel cutter and shredder ring macerate most household waste including rags and standard wipes. However, \"flushable\" wipes and heavy textile loads increase wear and jam risk over time. Reducing non-degradable items in the waste stream extends cutter life and reduces service calls.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eAre the GD\/GDN grinder pumps certified?\u003c\/h4\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eYes. All GD and GDN variants carry cUL (UL778) and CSA C22.2 No. 108-14. The IP68 sealed motor is rated for permanent submersion to 33 ft (10 m). Single-phase models include a thermal protector and moisture sensor; three-phase models use external overload protection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HCP","offers":[{"title":"Default Title","offer_id":54084838228332,"sku":"S21B200G05","price":446.46,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1016\/5405\/files\/HCPMechanicalSealKitS21B200G05.webp?v=1784898631","url":"https:\/\/cleanflow.net\/products\/hcp-mechanical-seal-kit-s21b200g05","provider":"Cleanflow","version":"1.0","type":"link"}