{"title":"Balboa 2-Speed Pumps","description":"","products":[{"product_id":"balboa-superwow","title":"Balboa SuperWow Spa Jet Booster Pumps - 4HPR \/ 2HP - 1 \u0026 2 Speed Versions","description":"\u003ch3\u003eBalboa SuperWow Spa Jet Booster Pumps - 4HPR \/ 2HP - 1 \u0026amp; 2 Speed Versions\u003c\/h3\u003e\u003cp\u003eBalboa Vico SuperWow Spa \u0026amp; Swim Spa Jet Pumps. These were often labelled 4HP, 3HP, and 2HP. The \"HP\" was not actual HorsePower, but was used by name only.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eSuperWow pumps have been discontinued, and are now all replaced by the \u003ca href=\"https:\/\/heaterandspaparts.com.au\/pages\/search-results-page?q=balboa+vico+ultimax\" style=\"color: #ff2a00;\" target=\"_blank\"\u003eUltimax\u003c\/a\u003e or you can use one of the pumps listed below. These were discontinued in 2019.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAs these pumps are no longer available, you can replace with the following pumps.\u003c\/strong\u003e \u003cem\u003eNote that these pumps have a similar wet-end (plumbing end), but the motors are sometimes shorter, or taller. Most pumps listed have dimensions. Generally speaking, they can be replaced with no plumbing changes, but the motor feet may need to be adjusted.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cb\u003eSuitable SuperWow Replacement\u003c\/b\u003e\u003cstrong\u003e Pumps:\u003c\/strong\u003e\u003c\/span\u003e Note physical size comparisons. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalboa Ultimax:\u003c\/strong\u003e \u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/4hp-2hp-1-speed-balboa-vico-ultimax-spa-jet-booster-pump-ultima\" target=\"_blank\"\u003eOne-Speed\u003c\/a\u003e \/ \u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/4hp-2hp-2-speed-balboa-vico-ultimax-spa-jet-booster-pump-ultima\" target=\"_blank\"\u003eTwo-Speed\u003c\/a\u003e  \u003cbr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/1588729631572_500x_e52b7fe2-68a9-4d83-872d-d0ae6f0f4a0f.png?v=1588730548\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/1588729631572_500x_e52b7fe2-68a9-4d83-872d-d0ae6f0f4a0f.png?v=1588730548\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan style=\"color: #2b00ff;\"\u003eAll Balboa Pumps marked \"4HP\" are actually a 2HP pump in Australian spas. See notes below for explanation. \u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThese are a very common pump found on many Spa Industries' brands of spas. (Bullfrog, Signature, Leisurite, Designer, Lanark, SCS Industries, etc)  They were often 2-speed pumps with the low-speed wire clipped off, thus actually becoming single speed pumps. If your plug has one wire clipped off, ensure the new pump has the same done! \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca data-mce-href=\"https:\/\/heaterandspaparts.com.au\/pages\/2-50mm-fbt-thread-for-spa-jet-pumps\" href=\"https:\/\/heaterandspaparts.com.au\/pages\/2-50mm-fbt-thread-for-spa-jet-pumps\" target=\"_blank\" title='2\" 50mm FBT Thread'\u003e2\"\/50mm FBT Thread\u003c\/a\u003e - measures ~78-79mm OD on pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOptions:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/4hp-2hp-2-speed-balboa-vico-ultimax-spa-jet-booster-pump-ultima\" target=\"_blank\"\u003e2-Speed Balboa Pumps\u003c\/a\u003e May Include the Following Part Numbers: \u003c\/strong\u003e1023021, 1023034, 1023324, 1038105, 1038305, 1038301, 1038403, APUM40253A and others. \u003cem\u003eYou can also check your existing pump for 4x wires at the plug.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/4hp-2hp-1-speed-balboa-vico-ultimax-spa-jet-booster-pump-ultima\"\u003e1-Speed Balboa Pumps\u003c\/a\u003e May Include the Following Part Numbers: \u003c\/strong\u003e1023032, 1023130,1038301, \u003cspan\u003e1023031, \u003c\/span\u003e1038400, 1038200, 1038401, APUMU4153A, APUM401533, APUM40156A, and others. \u003cem\u003eYou can also check your existing pump for 3x wires at the plug.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSome Spa Manufacturers use a complicated \u0026amp; confusing form of Horsepower measurement that was more commonly used in the USA, called hydraulic horsepower (HP=PSI*GPM\/1714). It gives a more impressive appearance, and may give a false impression of performance. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eAustralian HP ratings are calculated purely on input power in Watts, which are then converted to HP. (1HP=745.7Watts). \u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBalboa \u0026amp; Aqua-Flo (Aquaflo) have both released pumps to spa manufacturers that use these confusing power ratings at the request of Spa Manufacturers. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eYou can always look at the input ratings and convert back to real HP.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRough HP measurement can also be calculated using Ohm's Law (V=IR).   These pumps also have an Amperage rating that can be roughly converted back to Watts, and then to Horsepower.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFurthermore, HP ratings are not an ideal measurement of pump performance anyway! Pump flow curves, which measure flow per metre of head pressure are a far more reliable method of measuring pump performance, especially with the advent of variable-speed DC motors.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOther Details You May See:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuper Wow 4HPR or UM SI 4.0HPR or 4HPR 2S\u003c\/li\u003e\n\u003cli\u003eVOLTAGE: 220-240V\u003c\/li\u003e\n\u003cli\u003ePHASE: 1\u003c\/li\u003e\n\u003cli\u003eFREQUENCY 50HZ\u003c\/li\u003e\n\u003cli\u003eCURRENT 7.8A, 8.4A, 8.7A, 9.0A high speed\u003c\/li\u003e\n\u003cli\u003eRPM: 2800RPM\u003c\/li\u003e\n\u003cli\u003eIP RATING: IPX5\u003c\/li\u003e\n\u003cli\u003eMAX HEAD: 57.75FT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan style=\"font-size: 1.4em;\"\u003eBalboa Water Group GG Industries. Comes standard with AMP plug. Made in the USA.\u003c\/span\u003e\u003cbr\u003e","brand":"Balboa","offers":[{"title":"2-Speed - Balboa SuperWow Jet Booster Pump","offer_id":17807051717,"sku":"B-1023034","price":2.0,"currency_code":"AUD","in_stock":false},{"title":"1-Speed - Balboa SuperWow Jet Booster Pump","offer_id":17807051781,"sku":"B-1023032","price":2.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/balboa-superwow-spa-jet-booster-pumps-4hpr-2hp-1-2-speed-versions-pump-742.webp?v=1757642917"},{"product_id":"4hp-2hp-2-speed-balboa-ultimax","title":"Balboa 4HP \/ 3HP \/ 2HP - Two-Speed - Ultimax Spa Jet Booster Pump - Ultima Vico","description":"\u003ch3\u003eBalboa 4HP \/ 3HP \/ 2HP - Two-Speed - Ultimax Spa Jet Booster Pump - Ultima Vico\u003c\/h3\u003e\u003cp\u003eGenuine Balboa Ultimax \/ Ultima \/ Vico Spa Jet Booster Pumps. This replaces the 2HP 3HP, and 4HP 2-speed pumps. Both 1 and 2 Speed versions available. These supersede the older\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/balboa-ultimax-um-eme-4hpr-2s-hv-1-2-speed\" target=\"_blank\"\u003eSuperWow\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003epumps. Balboa Water Group GG Industries. \u003cstrong\u003e\u003c\/strong\u003eComes standard with AMP plug. \u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eReplaces superseded part numbers: \u003c\/strong\u003e1023021,1023033,1023034, 1023324, 1038105, 1038305, 1038301, 1038403, APUM40253A and others.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersions:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/4hp-2hp-1-speed-balboa-vico-ultimax-spa-jet-booster-pump-ultima\" target=\"_blank\" title=\"Balboa Vico Ultimax Pump - 2hp 4hp 1-speed\"\u003e1-Speed Pumps (\u003cem\u003eLabelled 2HP\/3HP\/4HP\u003c\/em\u003e\u003cspan color=\"#2b00ff\"\u003e)\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/4hp-2hp-2-speed-balboa-vico-ultimax-spa-jet-booster-pump-ultima\" target=\"_blank\" title=\"Balboa 2 Speed 4hp 2hp two-speed pump\"\u003e2-Speed Pumps (Labelled 2HP\/3HP\/4HP)\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/1-5hp-2-speed-balboa-vico-ultimax-spa-jet-booster-pump-ultima\" target=\"_blank\" title=\"Balboa Vico Ultimax 1.5HP Two Speed Pump\"\u003e2-Speed Pump\u003c\/a\u003e (Labelled 1.5HP) \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e(uncommon)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eInstallation Notes if Replacing a SuperWow pump:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eUse \u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/silicone-lubricant-hydra-slip-20gm\" rel=\"noopener\" target=\"_blank\"\u003elubricant\u003c\/a\u003e on pump thread due to a variance of the thread. Newer pumps have a tighter thread.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003ePlumbing side is very similar, but in \u003cem\u003esome\u003c\/em\u003e cases it will need to be modified.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eMotor mount is different. Remove mounting studs in spa and mount motor as necessary.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eBalboa Pumps marked \"4HP\" \u0026amp; \"3HP\" are actually a 2HP pump in Australian spas. \u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003eSee notes below for explanation. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eUltimax (current) vs SuperWow (obsolete):\u003c\/strong\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/1588729631572_500x_e52b7fe2-68a9-4d83-872d-d0ae6f0f4a0f.png?v=1588730548\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese are a very common pump found on many Spa Industries' brands of spas. (Bullfrog, Signature, Leisurite, Designer, Lanark, SCS Industries, etc)  They were often 2-speed pumps with the low-speed wire clipped off, thus actually becoming single speed pumps. If your plug has one wire clipped off, ensure the new pump has the same done! \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2HP \/ 3HP \/ 4HP Two-Speed: Length: 395mm \/ Height: 197-232mm \/ Width: 168-195mm\u003c\/li\u003e\n\u003cli\u003e2HP \/ 3HP\/ 4HP One-Speed: Length: \/ Height: \/ Width: 195mm\u003c\/li\u003e\n\u003cli\u003e1.5HP Two-Speed: Length: \/ Height: \/ Width: 195mm\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/heaterandspaparts.com.au\/pages\/2-50mm-fbt-thread-for-spa-jet-pumps\" target=\"_blank\" title='2\" 50mm FBT Thread'\u003e2\"\/50mm FBT Thread\u003c\/a\u003e - measures ~78-79mm OD on pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes about Horsepower Ratings: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSome Spa Manufacturers use a complicated \u0026amp; confusing form of Horsepower measurement that was more commonly used in the USA, called hydraulic horsepower (HP=PSI*GPM\/1714). It gives a more impressive appearance, and may give a false impression of performance. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eStandard Australian HP ratings are calculated purely on input power in Watts, which are then converted to HP. (1HP=745.7Watts). \u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eYou can always measure (with an Amp Meter) the input current and convert back to real HP.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRough HP measurement can also be calculated using Ohm's Law (V=IR).  These pumps also have an Amperage rating that can be roughly converted back to Watts, and then to Horsepower. The problem here, is some spa manufacturers used slightly misleading ratings here as well, eg, they'd use a locked-rotor Amperage draw, etc. You'll see how the Amperage ratings and the HP labels don't match up.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFurthermore, HP ratings are not an ideal measurement of pump performance anyway! Pump flow curves, which measure flow per metre of head pressure are a far more reliable method of measuring pump performance, especially with the advent of variable-speed DC motors.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBasically the labels can appear to be very different in regards to the pump's actual HP rating.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e 1023033, 1023034, 1023073, 1025013, B- 1023034, B-P528226\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUM EME 4HPR 2S \/ UM SI 3.0HPR 2S\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year return to base. Excludes chemical damage, dry-running, etc.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Balboa","offers":[{"title":"Default Title","offer_id":35310063714460,"sku":"B-p528226","price":964.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/balboa-4hp-3hp-2hp-two-speed-ultimax-spa-jet-booster-pump-ultima-vico-468.webp?v=1782210198"},{"product_id":"1-5hp-2-speed-balboa-ultimax","title":"Balboa 1.5HP - 2 Speed - Vico Ultimax Spa Jet Booster Pump - Ultima","description":"\u003ch3\u003eBalboa 1.5HP - 2 Speed - Vico Ultimax Spa Jet Booster Pump - Ultima\u003c\/h3\u003e\u003cp\u003eGenuine Balboa Ultimax \/ Ultima \/ Vico Spa Jet Booster Pumps. This is the uncommon 1.5HP 2-speed pump. These supersede the older \u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/balboa-ultimax-um-eme-4hpr-2s-hv-1-2-speed\" target=\"_blank\"\u003eSuperWow\u003c\/a\u003e pumps. Balboa Water Group GG Industries. \u003cstrong\u003e\u003c\/strong\u003eComes standard with AMP plug. Made in the USA\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces all older Superwow \u0026amp; Ultimax 1.5hp 2 Speed Pump. May have 1023024, P528216 or other parts numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eInstallation Notes if Replacing a SuperWow pump:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eUse lubricant on pump thread due to a variance of the thread. Newer pumps have a tigher thread.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003ePlumbing side is very similar, but in some cases it will need ot be modified.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eMotor mount is different. Remove mounting studs in spa and mount motor as necessary.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eBalboa Pumps marked \"4HP\" \u0026amp; \"3HP\" are actually a 2HP pump in Australian spas. \u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003eSee notes below for explanation. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThese are a very common pump found on many Spa Industries' brands of spas. (Bullfrog, Signature, Leisurite, Designer, Lanark, SCS Industries, etc)  They were often 2-speed pumps with the low-speed wire clipped off, thus actually becoming single speed pumps. If your plug has one wire clipped off, ensure the new pump has the same done! \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1.5HP Two-Speed: Length: \/ Height: \/ Width: 195mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca data-mce-href=\"https:\/\/heaterandspaparts.com.au\/pages\/2-50mm-fbt-thread-for-spa-jet-pumps\" href=\"https:\/\/heaterandspaparts.com.au\/pages\/2-50mm-fbt-thread-for-spa-jet-pumps\" target=\"_blank\" title='2\" 50mm FBT Thread'\u003e2\"\/50mm FBT Thread\u003c\/a\u003e - measures ~78-79mm OD on pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eImportant Notes: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSome Spa Manufacturers use a complicated \u0026amp; confusing form of Horsepower measurement that was more commonly used in the USA, called hydraulic horsepower (HP=PSI*GPM\/1714). It gives a more impressive appearance, and may give a false impression of performance. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eAustralian HP ratings are calculated purely on input power in Watts, which are then converted to HP. (1HP=745.7Watts). \u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBalboa \u0026amp; Aqua-Flo (Aquaflo) have both released pumps to spa manufacturers that use these confusing power ratings at the request of Spa Manufacturers. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eYou can always look at the input ratings and convert back to real HP.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRough HP measurement can also be calculated using Ohm's Law (V=IR).   These pumps also have an Amperage rating that can be roughly converted back to Watts, and then to Horsepower.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFurthermore, HP ratings are not an ideal measurement of pump performance anyway! Pump flow curves, which measure flow per metre of head pressure are a far more reliable method of measuring pump performance, especially with the advent of variable-speed DC motors.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eha44ng um si 1.5hpr 2sp amp\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Balboa","offers":[{"title":"Default Title","offer_id":35133542695068,"sku":"B-p528216","price":895.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/balboa-1-5hp-2-speed-vico-ultimax-spa-jet-booster-pump-ultima-268.webp?v=1782209955"}],"url":"https:\/\/heaterandspaparts.com.au\/zh-hans\/collections\/balboa-2-speed-pumps.oembed","provider":"Heater and Spa Parts","version":"1.0","type":"link"}