Mechanical Flowmeter, Product Type Water Meter, Accuracy +/-1.5 Percent, Connection Size 3/4 in, Connection Type NPT, Compatible Flow Material Water, Media Temperature - Maximum 105 Degrees F, Media Temperature - Minimum 35 Degrees F, Viscosity - Maximum 31 SUS, Voltage - Maximum 24V DC, Housing Material Brass, Rotor Material Plastic, O-Ring Material Natural Rubber, Seal Material Natural Rubber, Shaft Material Tungsten Carbide, Wetted Material Brass, , Standards AWWA C-708