Heating times in minutes to heat a full tank of water from 10 deg C to 55 deg C. A usable amount of hot water will accumulate by convection in the top of the heater in less time than that shown.

C-Warm Storage heater model No.	Capacity Litres/gallons	Heating Time in minutes
		CW240 0.75kW	CW239 1kW	CW278 1.25 kW	CW279
CWB18	18 (4)	55	41	33	21
CWB20	20 (4)	76	57	46	29
CWB29	29 (6)	114	85	69	44
CWB32	32 (8)	152	114	91	58
CWB40	40 (9)	173	129	104	66
CWB45	45 (10)	203	151	122	78
CWB50	50 (11)	212	157	127	81
CWB53	53 (12)	233	174	140	89
CWB67	67 (15)	288	214	173	110
CWB78	78 (16)	*305	227	183	116
CWB93	93 (21)	*406	*303	244	155
CWB141	141 (30)	*575	*429	*345	220

* Not recommended

C-Warm immersion heaters have low power ratings to match the electrical supplies provided by most marinas. Immersion heaters of higher power can be supplied to special order.

Low voltage d.c. immersion heaters would take high currents and are impractical for most users. (Example: a 0.75kW 24 d.c. immersion heater would take a continuous current of 30 amps) Low voltage immersion heaters are not offered in the C-Warm range.