Kelvinator KGC20BL Series, User Manual

Kelvinator gas continuous flow hot water system

  freeze prevention    9

This water heater comes equipped with heaters that prevent 
the water heater from freezing. For this freeze prevention 
system to operate there has to be electrical power to the 
water heater. The freeze prevention device will not work if the 
electrical power source is disconnected. The water heater 
has been rated for temperatures down to -15°C in a wind  
free environment. 

caution

The pipe heaters are located on the water heater only. 
Any hot or cold water pipes located outside of the 
water heater will not be protected. Properly protect and 
insulate these pipes to ensure they do not freeze. 

Winter shutdown 

If you will not be using your gas continuous flow system for 
a long period of time or if the temperatures is expected 
to drop below -15°C with the wind chill factor, turn off your 
water heater and drain it of water. This will keep your water 
heater from freezing and being damaged.

Follow these instructions carefully: 

1.  Close the manual gas shut off valve. 
2.  Turn off the power supply to the system. 
3.  Close the manual water shut off valve located on the 

water supply line. 

4.  Open all hot water taps in the house. (Bathroom, kitchen, 

laundry room, etc.). When the water flow has ceased, 
close all hot water taps. 

5.  Have a bucket or pan to catch the water from the water 

heater’s drain plugs. Unscrew the drain plugs to drain all 
the water out of the water heater. 

6.   Wait a few minutes to ensure all water has completely 

drained from water heater. 

7.   Securely screw the drain plugs back into place.  

Hand-tighten only.

manual  

water 

valve

drain plug

hot

gas

power supply

cold

manual 

gas valve

When it is safe to use the water heater again: 

 •  Ensure that power is switched off to the water heater or 

that it is unplugged

•  Make sure all hot water taps are closed and the drain 

plugs are securely attached. 

•  Purge the water line of debris. 
•  Turn on the manual water control valve located on the 

water supply line and check for leaks. 

•  Open all the hot water taps to verify water flows to the 

taps. Close hot water taps. 

•  Turn on the manual gas control valve located on the gas 

supply line. 

•  Turn on the power supply to the water heater.

Freeze prevention