Harwil Q-8N / Q-8CR Flow Switch, 8 to 1900 GPM, 1 in to 10 in Pipe
Harwil CF-112N Chemical Feed Pump Interface Module, Noryl
Harwil CF-112VCR Chemical Feed Pump Interface Module, Fortron
Harwil L-40N Liquid Level Float Switch, Noryl PPO, Side and Top Mount
Harwil L-8N / L-8CR Level Switch, Specific Gravity Compensating 0.6 to 1.5