KINGSHIELD 7 JOUR Thermoplongeur minuterie numérique 6 on/off Daily T23B-H (PR12) - EUR 35,35. À VENDRE! Kingshield 7 Day Immersion Heater Digital Timer 6 INSTRUCTIONS FOR T23H. 7 DAY ELECTRONIC. IMMERSION HEATER TIMER. MODEL NUMBER. T23H. H Once the timer has been installed,. I have this timer but have lost the mannual fo programming. Try the following link and you will find a pdf of your instructions INSTRUCTIONS FOR 7 DAY. ELECTRONIC IMMERSION HEATER TIMER. - T106-C. WIRING THE TIMER. Drill two 6mm holes 97mm vertically apart in the wall.