Our tanks are made with Zincalume or Colorbond steel that last 4-6 times longer than galvanized steel. Pioneer water tanks has 30 years of experience providing the best water storage possible. The aqualiner is the only antimicrobial liner on the market and has a 20 year warranty that can only be found with Pioneer. American standard: NSF/ANSI 61-Drinking water Approval. Certificate 3A240-01. There are 27 different models and 235 configurations. Fire Protection water tanks meet or exceed NFPA 22 standards. We have valves and fittings from 2''- 8''.