

30 Days Lowest Price Guarantee
Horstmann C21 Electronic Programmer by Horstmann
DESCRIPTION
Twin circuit electronic programmer;3 on and off settings for HW and 3 on and off settings for CH per day;One hour boost HW (only) and instant advance for CH (only);18 months battery back up;3A contacts, plug-in plate
- Horstmann C21 Electronic Programmer