The 70987TE is now obsolete.
Your instrument will require a one time conversion kit.
SERIES 2000 CONTROLLER
If you have a WDG-IVCM or HPIICM (RTD) the conversion kit will be 7002-438-TE.
If you have...
The 80561SE is now obsolete.
Your WDG-IVCM/HPIICM with Hot-wire (catalytic bead) combustibles detector will require a one time conversion kit 7002-437-TE.
After the upgrade is made, the 80561SE will...