Flame King 420LB Propane Tank Fill Valve Replacement for YSN420ASME & YSN420DOT

The 420# ASME Fill Valve 1-1/4" is a durable, direct replacement valve designed specifically for 420LB propane tanks, including Flame King models YSN420ASME and YSN420DOT. Featuring a standard 1-1/4" NPT connection, it ensures a secure and proper fit for seamless installation. Constructed from high-quality brass, this fill valve offers excellent resistance to corrosion and wear, making it ideal for long-term use in demanding environments. Its precision-machined threads with pre-applied sealant help provide a tight, leak-resistant seal for safe and efficient propane filling. Built for reliability, this valve delivers consistent performance for residential, commercial, and industrial propane applications. IMPORTANT: The purchaser of this product assumes all responsibility and liability to ensure that it is the proper part for the application and complies with all National, Regional, Province or local codes, regulations and standards, including, but not limited to the applicable requirements of CGA, NFPA, CFR 49 and Transport Canada.