{"product_id":"55kw-230v-flow-thru-heater-c2550-0011","title":"5.5KW 230V Flow-Thru Heater C2550-0011","description":"\u003cp\u003eThis Cal Spas 5.5kW 230V flow-through heater assembly (C2550-0011) delivers reliable heating performance for Cal Spas hot tubs and swim spas. Built to OEM specifications, this 230-volt heater features a compact 2\" x 15\" design that fits seamlessly into your spa's existing plumbing system. The flow-through configuration ensures efficient heat transfer while maintaining consistent water temperature throughout your spa experience.\u003c\/p\u003e\u003cp\u003eAt Bubbles Supply, we guarantee this heater is an exact fit for your Cal Spas system, backed by our 1-year warranty and same-day shipping on in-stock items. This genuine replacement part resolves common heating issues including insufficient heat output and temperature fluctuations. Professional installation is recommended to ensure proper electrical connections and plumbing integration—always verify your spa's voltage requirements and heater dimensions before installation to confirm compatibility.\u003c\/p\u003e\n\u003c!-- p11:start --\u003e\u003cdiv class=\"related-links\"\u003e\n\u003ch2\u003eRelated parts \u0026amp; guides\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/product\/25kw-230v-flow-thru-heater-c2250-0011-ti\"\u003e2.5KW 230V Flow-Thru Heater C2250-0011-TI\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/cal-spa-55kw-flow-thru-heater-c2550-2001\"\u003eCal Spa 5.5KW Flow Thru Heater C2550-2001\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/40kw-230v-flow-thru-heater-c2400-0011\"\u003e4.0KW 230V Flow Thru Heater C2400-0011\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collection\/heaters\"\u003eSee all Heaters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/knowledge\/why-your-spa-heater-is-not-working\"\u003eWhy your spa heater is not working\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c!-- p11:end --\u003e","brand":"Cal Spas","offers":[{"title":"Default Title","offer_id":50249032565093,"sku":"C2550-0011","price":415.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/2162\/2373\/files\/55kw-230v-flow-thru-heater-c2550-0011-c2550-0011-1_c6566bff-471a-4756-9326-18af77348a16.jpg?v=1779741716","url":"https:\/\/checkout.bubblessupply.com\/products\/55kw-230v-flow-thru-heater-c2550-0011","provider":"Bubbles Supply","version":"1.0","type":"link"}