Brass body. Can be fitted with clip-on module, pulse emitter 1 liter/pulse or 0.1 liter/pulse (dry contact). (all-position installation). Accuracy 1%*. Hot water model: Maximum temperature 90°C. Threaded connections 3/4''. Meter dimensions 110 x 96.2 x 102.10 mm. Please note: for a complete set, take the ALTAIR meter and pulse emitter, *Accuracy given for information only, based on a flow rate of 40L/min.