{"product_id":"aru-thermal-regulator-kit-for-mastertemp-sta-rite-heaters","title":"ARU Thermal Regulator Kit for MasterTemp \u0026 Sta-Rite Heaters","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eARU’s Thermal Regulator Kit is a practical replacement designed to restore reliable heat control for two popular heater families. Rather than hunting for individual parts, this kit brings together the essential components in one easy swap, helping you maintain comfortable pool or spa temperatures with less hassle.\u003c\/p\u003e\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement of part numbers 77707-0010 and 38000-0007S, simplifying parts matching.\u003c\/li\u003e\n\u003cli\u003eWide compatibility with MasterTemp models 125, 200, 250, 300, 333, 400 and Sta-Rite SR200, SR333, SR400.\u003c\/li\u003e\n\u003cli\u003eSimple installation: positioned between the inlet and outlet on the water manifold, no special tools required, typically minutes to complete.\u003c\/li\u003e\n\u003cli\u003eRegulating temperature supports efficient operation, enabling quicker heating and steadier temperatures for pools or spas.\u003c\/li\u003e\n\u003cli\u003eAll-in-one kit includes regulators, springs, valve covers, a clip, and replacement O-rings for a complete swap.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn real-world use, the kit’s compact design minimizes downtime during routine maintenance. The parts are built to withstand regular heat cycling and exposure to pool water chemistry, helping maintain performance over time. As water circulates, you may notice a smoother transition between heat cycles and a steadier feel to the water temperature during evening swims or spa sessions.\u003c\/p\u003e\n\u003ch3\u003eWhat to expect during installation\u003c\/h3\u003e\n\u003cp\u003eThe setup is straightforward. Locate the regulator between the water inlet and outlet connections on the manifold, remove the old unit, and fit the ARU kit in place. The absence of required tools makes it a quick DIY task for many pool pros or confident homeowners.\u003c\/p\u003e\n\u003cp\u003eCompatibility at a glance: ARU designed this kit to fit MasterTemp and Sta-Rite heater families, covering a broad range of models. This makes it a practical reference point for maintenance logs and replacement planning.\u003c\/p\u003e\n\u003ch3\u003eWhy choose ARU\u003c\/h3\u003e\n\u003cp\u003eARU focuses on clear, practical parts that keep pools and spas comfortable. This kit translates that approach into a compact, durable package that pairs with well-known heater lines, offering predictable support for temperature control without overpromising results.\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: Which heaters are compatible with the ARU Thermal Regulator Kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with MasterTemp models 125, 200, 250, 300, 333, 400 and Sta-Rite SR200, SR333, SR400.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the kit and is installation easy?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes regulators, springs, valve covers, a clip, and O-rings; installation is quick and tool-free between the water inlet and outlet.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ARU","offers":[{"title":"Default Title","offer_id":45788288417978,"sku":"B07RZXNJZ7","price":85.52,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/aru-therm-regulator-kit-main-view.jpg?v=1776502743","url":"https:\/\/gardencanada.ca\/products\/aru-thermal-regulator-kit-for-mastertemp-sta-rite-heaters","provider":"Garden Canada","version":"1.0","type":"link"}