... 80°C)In 80 °C temperature placed in 72 hours, in the environmental temperature back after 1 hour the ... 20°C)In 20 °C temperature placed in-72 hours, in the environmental temperature back after 1 hour the ... : the positive, black: negative, yellow: pulse signal Water flow sensor (water flow sensor) and flow switch (flow switch) outlet terminals installation dimensions for the connection mode ...