FILL ALARM KING

Standard Fill Alarm Description •Sizes to fit most popular above-ground and in-ground tanks •Durable cast iron with corrosion-resistant powder coating •Whistles while tank is being filled; stops whistling when oil has reached safe capacity level •Patented whistle design is up to 10 dB louder than conventional designs (U.S. Patent 7497185) •Industry's widest range of male and female NPT sizes •Available in sizes from 1-1/4''x1'' to 2''x2'' Casting Color Grey Stem Length 5-1/4' Thread Size Bottom Male (NPT) 'Slip in' Top Female (NPT) 2'