{"product_id":"77707-0113","title":"Pentair MasterTemp 400\/Max-E-Therm 400 Air Orifice (77707-0113)","description":"\u003cp\u003eFor service work on Pentair pool equipment, choosing the exact replacement part helps reduce callbacks and installation delays. This MasterTemp 400\/Max-E-Therm 400 Air Orifice is used in the heater combustion system to help meter the air path for the correct burner configuration.\u003c\/p\u003e\u003cp\u003eBecause orifice sizing affects how the heater breathes and fires, this is a precision replacement part rather than a generic fitting. Always compare the existing part, equipment label, installation date notes, and part number 77707-0113 before finalizing the repair.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain the intended air\/fuel balance.\u003c\/li\u003e\n\u003cli\u003eImportant during heater repair, conversion, or combustion service.\u003c\/li\u003e\n\u003cli\u003eMatch by model, BTU rating, and part number.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis is a practical replacement choice for maintenance teams, pool professionals, and homeowners who want the right fit for a dependable equipment repair.\u003c\/p\u003e","brand":"Pentair\/Sta-Rite","offers":[{"title":"Default Title","offer_id":48509918216347,"sku":"77707-0113","price":114.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1751\/9347\/files\/47-102-1499_XL.jpg?v=1778107801","url":"https:\/\/www.bathandspaparts.com\/en-ca\/products\/77707-0113","provider":"Bath and Spa Parts Online","version":"1.0","type":"link"}