{"product_id":"r72db0104df-mortex-r454b-txv-3-5-ton","title":"R72DB0104DF Mortex R454B TXV 3-5 Ton","description":"\u003ch1\u003eR72DB0104DF Mortex R454B TXV 3-5 Ton\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMortex R72DB0104DF OEM TXV — 3 to 5 Ton, R‑454B\u003c\/strong\u003e The R72DB0104DF is the factory‑specified R‑454B thermostatic expansion valve used in updated Mortex and Nordyne evaporator coil assemblies. Designed for 3–5 ton systems, this TXV provides precise refrigerant metering, stable superheat, and reliable cooling performance under R‑454B’s A2L operating characteristics. The DF revision includes updated OEM mounting hardware, improved bulb‑strap configuration, and metering calibrated specifically for R‑454B coil platforms. Direct OEM fit for R‑454B Mortex coil housings and compatible outdoor units.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCross Reference:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eR72DB0104DF\u003c\/strong\u003e (current OEM, DF revision)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMortex\/Nordyne R‑454B TXV, 3–5 Ton\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuccessor to R‑410A TXVs (R72DB0058DF–R72DB0060DF)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible with updated R‑454B tube‑and‑fin and micro‑channel coils\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Quinn","offers":[{"title":"Default Title","offer_id":45277160833090,"sku":"173-R72DB0104DF","price":142.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/Screenshot2026-09-26120617_896ebd9e-c0bd-404c-ac70-ff4b5d92751b.png?v=1790450569","url":"https:\/\/hvacpartstore.com\/products\/r72db0104df-mortex-r454b-txv-3-5-ton","provider":"HVACpartstore","version":"1.0","type":"link"}