D4 definition

D4 means Saturdays, Sundays and Bank Holidays only. ‘D5’ means Monday to Friday inclusive.
D4. YOU HAD 75%” “D4: SLOW HEATS” “D4: TODAY” “D4: HAVE 20%” “D4: SLOW HEATS” “D4: THIS OIL” “D4: HAD 0%” “D4: SLOW HEATS” “D4: LAST OIL”
D4. CHECK COILS,” “D4: CONTACTORS,” “D4: AND WIRING” “D4: HEATER COILS” “D4: APPEAR OK” “D4: CHECK” “D4: CONTACTORS,” “D4: CONNECTIONS,” “D4: AND WIRING”

More Definitions of D4

D4 means Monday to Saturday (Including Bank Holidays). ‘D5’ means Monday to Friday inclusive.