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We offer the TLV SA3 brass super compact free float automatic air vent in sizes 1/2" (15mm) and 3/4" (20mm) NB. This C3771 brass air vent uses a stainless steel free float to automatically vent air from air conditioning systems and more, it’s ultra-compact design makes it perfect for installation in limited spaces.
SA3 automatic air vents have a male BSPT taper threaded inlet, 3 bar pressure rating and a 0.01 bar minimum operating pressure as well as a 5.4l/min maximum venting capacity. Can act as a vacuum breaker, suitable for vertical installation only.
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