{"product_id":"misakomo-control-board-kit-for-pentair-mastertemp-sta-rite-sr-42002-0007s-upgraded-capacitors-waterproof-coating","title":"Misakomo Control Board Kit for Pentair MasterTemp \u0026 Sta‑Rite SR 42002-0007S — Upgraded Capacitors \u0026 Waterproof Coating","description":"\u003cstrong\u003eMisakomo 42002-0007S Control Board Kit replaces worn electronics in Pentair MasterTemp and Sta‑Rite Max‑E‑Therm pool and spa heaters to restore reliable startup, display function, and heater control.\u003c\/strong\u003e\n\n\u003cp\u003eIf your MasterTemp or Max‑E‑Therm heater fails to light, shows a blank or erratic display, or heats slowly, the cause is often a failing control circuit board. This Misakomo kit (42002‑0007S) is built to match the original form, fit and function for Pentair MasterTemp 200\/250\/300\/400 and Sta‑Rite SR200\/SR333\/SR400 units and includes the compatible switch membrane pad replacement. The board is manufactured with improved components and protective coatings to withstand moisture and heat typical in pool equipment bays.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this control board restore heater operation?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn control board returns the heater’s ability to process inputs, operate the ignition sequence, and display status. The Misakomo board uses upgraded capacitors and power components to deliver more stable electrical control and faster response to commands.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement for OEM numbers 42002‑0007S and 461105.\u003c\/li\u003e\n  \u003cli\u003eIncludes switch membrane pad compatible with 42002‑0029Z \/ 472610Z.\u003c\/li\u003e\n  \u003cli\u003eUpgraded solid‑state capacitors and power chips for steadier output.\u003c\/li\u003e\n  \u003cli\u003eSR waterproof coating for improved moisture protection in heater enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my specific Pentair or Sta‑Rite heater model?\u003c\/h3\u003e\n\u003cp\u003eThe kit was designed to be compatible with the common MasterTemp and Max‑E‑Therm NA\/LP series. It fits multiple MasterTemp generations and Sta‑Rite SR models used in residential pool and spa heating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Pentair MasterTemp 200, 250, 300, 400 series.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Sta‑Rite SR200NA, SR333NA, SR400NA and HD variants.\u003c\/li\u003e\n  \u003cli\u003eWorks with NA\/LP series electrical systems, including units listed under part 460805.\u003c\/li\u003e\n  \u003cli\u003eUse model and serial to confirm compatibility before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat improvements does this replacement offer over an aging board?\u003c\/h3\u003e\n\u003cp\u003eBeyond restoring basic function, the Misakomo control board brings component and assembly upgrades designed for longer, more reliable service. Those enhancements reduce the chance of electrical faults and help the heater respond more consistently to control inputs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh‑precision soldering and FR‑2 copper foil laminate for durable circuitry.\u003c\/li\u003e\n  \u003cli\u003eUpgraded optocoupler and regulated power module with protective features.\u003c\/li\u003e\n  \u003cli\u003eProtections against overheating, overvoltage and short circuits.\u003c\/li\u003e\n  \u003cli\u003eImproved leakage resistance from SR waterproof coating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires basic electrical safety skills and familiarity with pool heater wiring. If you are comfortable shutting off power, documenting wire locations, and removing the heater’s control cover, the swap is straightforward; otherwise hire a licensed technician.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTurn off all power and confirm with a meter before starting.\u003c\/li\u003e\n  \u003cli\u003eTake photos or label connectors to preserve wiring order.\u003c\/li\u003e\n  \u003cli\u003eHandle the board by edges and avoid static discharge to components.\u003c\/li\u003e\n  \u003cli\u003eTest the unit with power restored and observe operation before closing the heater.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Pool and spa owners, service technicians, and maintenance professionals who need a dependable, drop‑in control board replacement for Pentair MasterTemp and Sta‑Rite Max‑E‑Therm heaters will benefit. Choose this kit when your heater will not ignite, the control panel is blank or unreliable, or you want an upgraded replacement that improves moisture resistance and electronic protection while retaining original compatibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this board a direct replacement for Pentair 461105?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the Misakomo 42002‑0007S kit is designed as a compatible replacement for Pentair 461105.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install the control board?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Basic hand tools and electrical safety precautions are sufficient; a multimeter and connector labels help ensure correct wiring.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Misakomo","offers":[{"title":"Default Title","offer_id":56834683896148,"sku":"B0D62LL793","price":80.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/misakomo-control-board-front-view.jpg?v=1787052758","url":"https:\/\/gardenluxe.co.uk\/products\/misakomo-control-board-kit-for-pentair-mastertemp-sta-rite-sr-42002-0007s-upgraded-capacitors-waterproof-coating","provider":"Gardenluxe Uk","version":"1.0","type":"link"}