The 8000-119-SE is now obsolete.
Your instrument may require a one time upgrade kit.
If you have a WDG-VC with an RTD combustibles detector, no conversion kit will be required.
If you have a WDG-VCM...
The 80461SE is now obsolete.
Your WDG-IVC/HPIIC with Hot-wire (catalytic bead) combustibles detector will require a one time conversion kit 7002-436-TE.
After the upgrade is made, the 80461SE will be...