function

（relay: 220V5A）

BZ101 include:controller box(1pcs),electronic water level switch (1pcs).

when it judge not having the water,the relay inside the controller will connect,and will let the warner alarm or water pump work

use the water pump,you will add the AC contactor

BZ102 include:

controller box(1pcs),electronic water level switch (1pcs).

when it judge not having the water,the relay inside the controller will connect,and will let the warner alarm or water pump work

use the water pump,you will add the AC contactor

BZ201:include:

controller box(1pcs),electronic water level switch (2pcs).

when they all judge not having the water,the relay inside the controller will connect,and will let the warner alarm or water pump work

use the water pump,you will add the AC contactor

BZ202:include:

controller box(1pcs),electronic water level switch (2pcs).

when they all judge having the water,the relay inside the controller will connect,and will let the warner alarm or water pump work

use the water pump,you will add the AC contactor

BZ301:include:

controller box(1pcs),electronic water level switch (3pcs).

you are have:one well，one water tower，one water pump。working process:when the well have the water and the water tower not have the water,the water pump will work.and when the well not have the water or the water tower have enough water,the water pump will stop

use the water pump,you will add the AC contactor

Iron box（include the AC contactor）

(L*W*H)：23*16*26cm