{"product_id":"hvac-quick-reference-card-pt-chart-superheat-subcooling","title":"HVAC Quick Reference Card — PT Chart, Superheat \u0026 Subcooling","description":"\u003cp\u003eA laminated double-sided reference card for the truck or the tool bag. One side has a pressure–temperature chart for common refrigerants (R-410A, R-22, R-32, R-454B, R-134a). The other side has target superheat and subcooling tables, the temperature split rule of thumb, and charging procedure checklists for fixed-orifice and TXV systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLaminated, double-sided, 8.5 × 11 in\u003c\/li\u003e\n\u003cli\u003ePT chart: R-410A, R-22, R-32, R-454B, R-134a\u003c\/li\u003e\n\u003cli\u003eTarget superheat table (fixed-orifice)\u003c\/li\u003e\n\u003cli\u003eTarget subcooling range (TXV)\u003c\/li\u003e\n\u003cli\u003eTemperature split reference\u003c\/li\u003e\n\u003cli\u003eCharging procedure checklists\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWipes clean. Fits in a clipboard or tool bag.\u003c\/p\u003e","brand":"HVAC Resource","offers":[{"title":"Default","offer_id":68022441541734,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/4347\/0438\/files\/hvacr-card.jpg?v=1794412110","url":"https:\/\/hvacresource.us\/products\/hvac-quick-reference-card-pt-chart-superheat-subcooling","provider":"hvacresource","version":"1.0","type":"link"}