{"title":"M-Class Spa Packs","description":"","products":[{"product_id":"tecmark-pressure-switch-for-hot-tub-3902","title":"Tecmark Pressure Switch For Hot Tub 3902","description":"\u003cp\u003eTecmark pilot duty adjustable hot tub heater pressure switch rated for 1 amp at 120 volts, 72VA pilot duty @ 24VAC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Tecmark\u003c\/li\u003e\n\u003cli\u003eModel: 3902\u003c\/li\u003e\n\u003cli\u003e1\/8\" threads (3\/8\" actual O.D)\u003c\/li\u003e\n\u003cli\u003e1-5 PSI adjustable\u003c\/li\u003e\n\u003cli\u003e2 terminals no common\u003c\/li\u003e\n\u003cli\u003eMaximum 1A @ 120 VAC, 72 VA Pilot Duty @ 24VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAlso replaces:\u003c\/strong\u003e 3965, 36142, 3902, 3903, 34-0178, 6560-869.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct note:\u003c\/strong\u003e\u003cbr\u003eThis hot tub pressure switch requires adjustment for the size and pressure of the specific hot tub it's being used in, easy to follow instructions included.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e Final sale \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Tecmark 3902 Pressure Switch in a hot tub or spa is a pressure sensor that is mounted onto the heater housing, or very close to the exit point of the heater. It's a safety switch with the sole purpose of sending a signal to the circuit board to shut off the heater if low pressure (low water flow) occurs to protect the heater from overheating and burning out.\u003c\/p\u003e\n\u003cp\u003eIn a hot tub, pressure is an easy way to determine flow rates through the pipes, pump and heater. Some spas also use a Flow Sensor, in addition to (or instead of) the Pressure Switch, to be sure water is flowing properly for the heater to operate safely.\u003c\/p\u003e","brand":"Tecmark","offers":[{"title":"Default Title","offer_id":44012181192773,"sku":"14103-3902","price":48.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/14103-3902__78014.1628102574.600.600.jpg?v=1763588413"},{"product_id":"o-ring-gasket-for-2-heater-or-pump-union","title":"O-Ring Gasket for 2\" Heater or Pump Union","description":"\u003cp\u003eWaterway gasket for hot tub pump and spa heater unions referenced as 2\", gasket has an actual outer diameter of 2-7\/8\". This gasket is an industry specialty size and is suitable for unions in pool and spa applications only which are referenced by the plumbing size the unions attach to, see below for actual dimensions. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand Waterway\u003c\/li\u003e\n\u003cli\u003eWaterway P\/N 711-4030\u003c\/li\u003e\n\u003cli\u003e2\" Union\/heater Gasket\u003c\/li\u003e\n\u003cli\u003eThis gasket is designed to go inside a 2\" union\u003c\/li\u003e\n\u003cli\u003eOuter diameter 2-7\/8\"\u003c\/li\u003e\n\u003cli\u003eInside diameter 2-1\/8\"\u003c\/li\u003e\n\u003cli\u003eWidth 7\/16\"\u003c\/li\u003e\n\u003cli\u003eThickness 3\/16\"\u003c\/li\u003e\n\u003cli\u003eflat on one side, embedded o-ring on other side\u003c\/li\u003e\n\u003cli\u003eColour: clear opec\u003c\/li\u003e\n\u003cli\u003eNot compatible with any inflatable spas, soft-sided spas or soft sided pool plumbing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eActual dimensions of gasket.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"__mce_add_custom__\" title=\"711-4030 Gasket measurements\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/711-4030-measurements.jpg?v=1763575767\" alt=\"711-4030 Gasket measurements\" width=\"400\" height=\"400\"\u003e\u003c\/p\u003e","brand":"Waterway","offers":[{"title":"Default Title","offer_id":44012188205125,"sku":"711-4030","price":2.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/7114030__82961.1620418010.600.600.jpg?v=1763588529"},{"product_id":"2-split-nut-for-hot-tub-heater","title":"2\" Split Nut For Hot Tub Heater","description":"\u003cp\u003eSplit nut with specifically sized wide flange on the back for stainless steel hot tub heater tubes. Fits union threads referenced as 2 inch (actual threads 3\") on hot tub heater tube brands: Balboa, Gecko, ThermProducts and HydroQuip.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufacture Magic Plastics\u003c\/li\u003e\n\u003cli\u003eManufacturer P\/N 400-5421\u003c\/li\u003e\n\u003cli\u003eReferenced size 2\" (Actual thread size 3\")\u003c\/li\u003e\n\u003cli\u003eIncludes 2 screws\u003c\/li\u003e\n\u003cli\u003eWide back flange only fits hot tub heater tubes\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit any brand or style of inflatable or soft side spas or pools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMeasure the inside diameter of your current threaded heater nut or the outside diameter of the plumbing buttress threads:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIf it measures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2-3\/8\" then a wide flanged split nut referenced as 1-1\/2\" is required,\u003c\/li\u003e\n\u003cli\u003e3.0\" then a wide flanged split nut referenced as 2\" is required,\u003c\/li\u003e\n\u003cli\u003e3-5\/8\" then a wide flanged split nut referenced as 2-1\/2\" is required,\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003cimg class=\"__mce_add_custom__\" title=\"Hot tub heater union repair split nut\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/measure-heater-size.png?v=1763575778\" alt=\"Hot tub heater union repair split nut\" width=\"684\" height=\"470\"\u003e\u003c\/p\u003e","brand":"Magic Plastics","offers":[{"title":"Default Title","offer_id":44012189024325,"sku":"400-5421","price":6.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/400_5421__00037.1446827296.600.600.jpg?v=1763588545"},{"product_id":"gecko-circuit-board-replacement-kit-for-mspa-mp-bf4","title":"Gecko circuit board replacement kit for MSPA-MP-BF4","description":"\u003cp\u003eThis product has been discontinued. Option is to replacement complete spa control system with this \u003cspan style=\"color: #0000ff;\"\u003e\u003ca href=\"%%GLOBAL_ShopPathSSL%%\/balboa-bp7-with-tp600-bundle-4kw-heater-2-pumps\/\"\u003e\u003cspan style=\"color: #0000ff;\"\u003eBalboa bundle.\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: #999999;\"\u003eCircuit board replacement kit for select Arctic Spas that have the MSPA-MP-BF M-Class control system, only works with Gecko TSC-14 keypad on select models made from 2000 to 2003.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #999999;\"\u003eGecko OEM part number 0201-300031, comes with receptacles factory installed, does not include the 120 volt transformer 9920-100212, \u003ca href=\"%%GLOBAL_ShopPathSSL%%\/transformer-120-volt-for-mspa-mp-and-tspa-mp\/\"\u003e\u003cspan style=\"color: #999999;\"\u003esold separately.\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #999999;\"\u003eDocuments:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #999999;\"\u003e\u003ca onclick=\"window.open('https:\/\/www.geckodepot.com\/fichiers\/documentsProduits\/GDA\/en\/MSPA-MP%20QRC%20Blue%20Falls.pdf','','location=yes,scrollbars=yes,resizable=yes,toolbar=yes,dependent=yes,width=800,height=800,left='+(screen.availWidth\/2-400)+',top='+(screen.availHeight\/2-400)+'');return false;\" href=\"https:\/\/www.geckodepot.com\/fichiers\/documentsProduits\/GDA\/en\/MSPA-MP%20QRC%20Blue%20Falls.pdf\"\u003e\u003cspan style=\"color: #999999;\"\u003eTopside control settings .pdf\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #999999;\"\u003e\u003ca onclick=\"window.open('https:\/\/www.geckodepot.com\/fichiers\/documentsProduits\/GDA\/en\/0201-300031%20last%20version.pdf','','scrollbars=yes,menubar=yes,resizable=yes,status=yes,dependent=yes,width=800,height=800,left='+(screen.availWidth\/2-400)+',top='+(screen.availHeight\/2-400)+'');return false;\" href=\"https:\/\/www.geckodepot.com\/fichiers\/documentsProduits\/GDA\/en\/0201-300031%20last%20version.pdf\"\u003e\u003cspan style=\"color: #999999;\"\u003eBoard wiring diagram .pdf \u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: #999999;\"\u003eHave questions need help? call us 1-877-845-1993\u003c\/span\u003e\u003c\/p\u003e","brand":"Gecko","offers":[{"title":"Default Title","offer_id":44012206293061,"sku":"0201-300031","price":1096.19,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/0201_300031_GECKO__44458.1625513484.600.600.jpg?v=1763588803"},{"product_id":"board-replacement-for-mspa-mp-ge1","title":"Board replacement for MSPA-MP-GE1","description":"\u003cp\u003eDiscontinued by Gecko, contact us for replacement options\u003c\/p\u003e","brand":"Gecko","offers":[{"title":"Default Title","offer_id":44012206391365,"sku":"0201-300014","price":999.89,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/0201_300014_large__02409.1628018352.600.600.jpg?v=1763588806"},{"product_id":"board-replacement-kit-for-mspa-1-and-mspa-4","title":"Board replacement kit for MSPA-1 AND MSPA-4","description":"\u003cp\u003eObsolete, discontinued by Gecko, no compatible replacement available. Contact us for possible retrofit options.\u003c\/p\u003e\n\n\u003cp\u003eGecko Replacement circuit board for select models of the MSPA M-Class control systems. This Gecko replacement circuit board is specific to certain system and keypad, it is NOT a universal fit for all M-Class controllers.\u003c\/p\u003e\n\n\u003cp\u003eDetails about this gecko circuit board:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Gecko replacement circuit board.\u003c\/li\u003e\n\u003cli\u003eGecko OEM part number 0201-300045\u003c\/li\u003e\n\u003cli\u003eReplacement for some MSPA-1 and 4 (Please call us to confirm)\u003c\/li\u003e\n\u003cli\u003eIncludes new transformer, this transformer is specific to this circuit board.\u003c\/li\u003e\n\u003cli\u003eIncludes Hi Limit probe, specific to this Gecko replacement board.\u003c\/li\u003e\n\u003cli\u003eIncludes temperature probe which is also specific to this replacement circuit board from Gecko.\u003c\/li\u003e\n\u003cli\u003eOnly works with keypads that have the exact same button layout as shown below.\u003c\/li\u003e\n\u003cli\u003eThis product is not stocked in Ontario, ships from Western Canada Only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg class=\"__mce_add_custom__\" title=\"gecko-0201-300045.jpg\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/gecko-0201-300045.jpg?v=1763575864\" alt=\"gecko-0201-300045.jpg\" width=\"655\" height=\"288\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e","brand":"Gecko","offers":[{"title":"Default Title","offer_id":44012206620741,"sku":"0201-300045","price":748.94,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/0201_300045__36267.1648750240.600.600.jpg?v=1763588809"},{"product_id":"gecko-heat-wav-4-0kw-heater-for-m-class-9920-100346","title":"Gecko HEAT.WAV 4.0KW Heater For M-Class, 9920-100346","description":"\u003cp\u003eComplete heater assembly for the Gecko M-Class spa pack. Has 4 threaded mounting studs on top of the heater tube to fit into the fastening holes in the Gecko M-Class enclosure. Includes the pressure switch, 4KW heating element and the threaded unions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4KW, 230 Volts\u003c\/li\u003e\n\u003cli\u003eDTEC-1 Pressure detection system included\u003c\/li\u003e\n\u003cli\u003eWire connectors\u003c\/li\u003e\n\u003cli\u003eIncludes Stainless Steel Housing, Heater Element and Split Nuts.\u003c\/li\u003e\n\u003cli\u003eFor M-Class \/ MSPA \/ Gecko spa control pack\u003c\/li\u003e\n\u003cli\u003eGecko Part # \u003cspan\u003e9920-100346\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrand: Genuine Gecko\u003c\/li\u003e\n\u003cli\u003eIncludes gaskets for each end\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eHot tub heaters are wear parts and will wear out over time resulting in a loss of heat in the spa or the GFCI breaker tripping. Typical life expectance of a hot tub heater with proper water-care can be about 5 - 8 years. The PH and Alkalinity levels in the hot tub spa water have a direct impact on how long the hot tub heating element will last. Ph levels below 7.2 will rapidly shorten the life of a heating element, pump seal and the back of the spa jets. It's important to keep the Ph between 7.2 and 7.8 with the Alkalinity in the 90 -120 range for maximum longevity of your spa wear parts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReturns\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFinal Sale\u003c\/p\u003e","brand":"Gecko","offers":[{"title":"Default Title","offer_id":44012278906949,"sku":"9920-100346","price":249.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/IMG_2103__50657.1628598258.600.600.jpg?v=1763590303"},{"product_id":"gecko-heat-wav-5-5kw-heater-for-m-class-9920-100347","title":"Gecko HEAT.WAV 5.5KW Heater For M-Class, 9920-100347","description":"\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003eThis product has been discontinued by Gecko. An alternative replacement is available made by Hydroquip P\/N 26-0601-7S-K\u003c\/span\u003e\u003c\/p\u003e\n\n\n\u003cp\u003eGecko M-Class replacement spa heater with 5.5KW element, includes the pressure switch, unions on each end on the heater tube. This is a complete heater tube with the threaded mounting studs that will only fit the M-Class spa pack enclosure and ground it correctly as factory designed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5.5KW, 230 Volts\u003c\/li\u003e\n\u003cli\u003eDTEC-1 Pressure detection system included\u003c\/li\u003e\n\u003cli\u003eWire connectors\u003c\/li\u003e\n\u003cli\u003eIncludes Stainless Steel Housing, Heater Element and Split Nuts.\u003c\/li\u003e\n\u003cli\u003eFor M-Class \/ MSPA \/ Gecko spa control pack\u003c\/li\u003e\n\u003cli\u003eGecko Part # \u003cspan\u003e9920-100347\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrand: Genuine Gecko\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eHot tub heaters are wear parts and will wear out over time resulting in a loss of heat in the spa or the GFCI breaker tripping. Typical life expectance of a hot tub heater with proper water-care can be about 5 - 8 years. The PH and Alkalinity levels in the hot tub spa water have a direct impact on how long the hot tub heating element will last. Ph levels below 7.2 will rapidly shorten the life of a heating element, pump seal and the back of the spa jets. It's important to keep the Ph between 7.2 and 7.8 with the Alkalinity in the 90 -120 range for maximum longevity of your spa wear parts.\u003c\/p\u003e","brand":"Gecko","offers":[{"title":"Default Title","offer_id":44012279300165,"sku":"9920-100347","price":249.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/IMG_2103__55905.1643131722.600.600.jpg?v=1763590309"},{"product_id":"gecko-hi-limit-sensor-with-2-pin-plug-for-sspa-mspa-packs","title":"Gecko hi-limit sensor with 2 pin plug for SSPA \u0026 MSPA packs","description":"\u003cp\u003eThis Gecko hi-limit probe is compatible with some of the SSPA \u0026amp; MSPA Gecko spa packs. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eSensor details\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1-1\/2\" Bulb Length 1\/4\" Diameter\u003c\/li\u003e\n\u003cli\u003e48\" Wire Length\u003c\/li\u003e\n\u003cli\u003e2 Wire 2 Pin Connector\u003c\/li\u003e\n\u003cli\u003eOEM part number: 9920-400446\u003c\/li\u003e\n\u003cli\u003e\n Identical to:  9920-100150, 9920-400435, 9920-400516, 9920-400523, 9920-400685, 5-60-6006, 5-60-6007 \n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease note:\u003c\/p\u003e\n\u003cp\u003eWhen replacing the hi-limit sensor in your Gecko S-Class or M-Class spa pack always replace the old sensor with the same new sensor to ensure your pack will function correctly. Sensors and probes are final sale and not returnable.\u003c\/p\u003e\n  ","brand":"Gecko","offers":[{"title":"Default Title","offer_id":44012338315333,"sku":"9920-400446","price":85.69,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/9920_400446__67749.1624473429.600.600.jpg?v=1763592186"},{"product_id":"gecko-temperature-probe-for-sspa-and-mspa-mp-10-cord","title":"Temp Sensor For Gecko SSPA and MSPA-MP Spa Packs","description":"\u003cp\u003eHydroquip temperature sensor for select discontinued Gecko SSPA \u0026amp; MSPA Gecko spa packs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSensor details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2\" Bulb Length 3\/8\" Diameter\u003c\/li\u003e\n\u003cli\u003e10' Wire Length\u003c\/li\u003e\n\u003cli\u003e3 Wire - Will replace 2 wire as well - 4 Pin Connector for circuit board socket\u003c\/li\u003e\n\u003cli\u003eHydroquip part number: 43-0203D-k\u003c\/li\u003e\n\u003cli\u003eCompatible replacement for: 5-60-6019, 5-60-7014, 9920-400262, 9920-400346, 9920-400723\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen replacing the hi-limit sensor in your Gecko S-Class or M-Class spa pack always replace the old sensor with the same or compatible replacement sensor to ensure your pack will function correctly. \u003cstrong\u003eSensors and probes are final sale and not returnable.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Gecko","offers":[{"title":"Default Title","offer_id":44012342444101,"sku":"34-0203D-K","price":88.97,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/9920_400720__22374.1424897300.1280.1280__37387.1629140768.600.600.jpg?v=1763592307"},{"product_id":"plug-style-gecko-hi-limit-ribbon-for-m-class-spa-packs","title":"Plug Style Gecko Hi-Limit Ribbon for M-Class Spa Packs","description":"\u003cp\u003eGecko hi-limit specifically for M-Class Gecko spa packs only and will not function if installed in and S-Class.\u003c\/p\u003e\n\u003cp\u003eThis is the plug in style that only fits as a replacement for plug in style high limits in the Gecko M-Class spa packs. Cannot be used as a replacement for hi-limit that are not removable from the circuit board.\u003c\/p\u003e\n\u003cp\u003ePlease note:\u003c\/p\u003e\n\u003cp\u003eWhen replacing the hi-limit sensor in your Gecko M-Class spa pack always replace the sensor with the same new sensor to ensure your pack will function correctly. Sensors and probes are final sale and not returnable.\u003c\/p\u003e","brand":"Gecko","offers":[{"title":"Default Title","offer_id":44012386746437,"sku":"9920-100318","price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1134\/2405\/files\/file_name_26931__13306.1624473949.600.600.jpg?v=1763593844"},{"product_id":"gecko-hi-limit-sensor-for-mspa-1-mspa-4-tspa-packs","title":"Gecko hi-limit sensor for MSPA-1, MSPA-4 \u0026 TSPA packs","description":"\u003cp\u003eThis hi-limit sensor from Gecko is compatible with select models of the MSPA-1, MSPA-4, and TSPA Gecko spa packs. The Gecko hi-limit sensor plays a critical role in ensuring the safety of your hot tub. 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