Mill Brook Fire Protection on X: "Dry sprinkler systems are most common in structures that experience freezing temperatures. Wet sprinkler systems may dominate the fire safety market, but there's a better solution
FX Dry Pipe Valve | Reliable Sprinkler
Dry Pipe Sprinkler Systems - Fox Valley Fire & Safety
Victaulic FireLock NXT™ Series 768N Dry System Check Valve - Dry Flow Control