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 Steel Wetted Material Brass Thermoplastic Standards AWWA C-708