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The McDonnell & Miller 250-3/4-30 (Part Number 181225) is a high-capacity 3/4" NPT pressure relief valve engineered specifically for hydronic heating systems and storage tanks
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Ensure you use flexible polymeric tubing to prevent air leaks and maintain accurate HVAC pressure sensing levels
The robust brass body construction ensures durability and corrosion resistance
Johnson Controls VG7000-6012 Packing Kit Els PW 17895 The McDonnell & Miller 250-3/4-30The Johnson Controls VG7000 6012 Packing Kit is a field proven solution designed specifically for repairing and maintaining stainless steel trim valves with a 3 8 inch stem. Engineered for VG7000 series bronze valves in 1" to 2" pipe sizes, this kit utilizes high performance Teflon V Ring packing to ensure a gas tight seal in demanding HVACR and industrial hydronic applications. As a veteran preferred valve repacking kit, it includes essential
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