Catch a Rap
HV 5
Precipitator (CMS)
Spare Parts


Automatic High Voltage Controls

AHVC Controls proven to energize plates to the best collecting threshold

Rapper Controls

Rapper Controls proven to be a leader with plain English programming via keypad.


"Catch a Rap" is there to help.

Merlin Controls introduces an economical rapper indicator.

HV Control 5.0X Upgrade

High Voltage control 5.0X update. Our newest firmware designed for MII boards.

Central Management System (CMS)

PC Interface program shows a user interface to show control status.

Precipitator Spare/Replacement Parts

Spare parts available for most precipitator types.

Merlin® Controls -  FMDK Technologies, Inc.