{"product_id":"tecline-r4-tec-ww-first-stage","title":"Tecline - R4 TEC WW First Stage — EN250A","description":"\u003cp\u003eA \u003cstrong\u003elightweight, compact, membrane-controlled first stage\u003c\/strong\u003e with a \u003cstrong\u003ewet chamber\u003c\/strong\u003e, rated EN250A for water above 10 °C. At \u003cstrong\u003e590 g\u003c\/strong\u003e it is the one that goes in the travel bag.\u003c\/p\u003e\n\u003cp\u003eThe design choice worth understanding: it has \u003cstrong\u003eno environmental diaphragm\u003c\/strong\u003e. That is deliberate. An environmental diaphragm can overbalance at depth and interrupt gas flow — removing it removes that failure mode, at the cost of cold-water protection. Which is exactly why it is rated above 10 °C and not below.\u003c\/p\u003e\n\u003cp\u003eTecline rate it \u003cstrong\u003eperfect for rebreathers\u003c\/strong\u003e and \u003cstrong\u003every good on stages and twinsets\u003c\/strong\u003e. They rate it \u003cstrong\u003enot recommended for sidemount\u003c\/strong\u003e, and that is their word, not a hedge of mine — if sidemount is what you dive, look at the R2 TEC instead.\u003c\/p\u003e\n\u003cp\u003eBody is \u003cstrong\u003echrome-coated maritime bronze\u003c\/strong\u003e with a \u003cstrong\u003ebalanced main valve\u003c\/strong\u003e, \u003cstrong\u003e2 HP and 4 LP ports\u003c\/strong\u003e, and a \u003cstrong\u003e300 bar\u003c\/strong\u003e working pressure.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e membrane, balanced main valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamber:\u003c\/strong\u003e wet, no environmental diaphragm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e EN250A, above 10 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorts:\u003c\/strong\u003e 2 HP, 4 LP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking pressure:\u003c\/strong\u003e 300 bar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e chrome-coated maritime bronze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 590 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTecline rating:\u003c\/strong\u003e rebreather perfect, stage very good, twinset very good, single good, sidemount not recommended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTecline code:\u003c\/strong\u003e T01410-4\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tecline","offers":[{"title":"Default Title","offer_id":52715321458986,"sku":"T01410-4","price":1698.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0852\/1393\/7962\/files\/i-st-stage-r4-tec-w-en250a-10-c_c421e5c6-d512-47f6-bb8d-fd372c6cccd7.jpg?v=1789973332","url":"https:\/\/shop.nemodivingcenter.com\/products\/tecline-r4-tec-ww-first-stage","provider":"Nemo Diving Center","version":"1.0","type":"link"}