If your hot water heater suddenly stops working chances are a bad thermocouple has shut off the gas to the pilot light.
													
																	Rheem gas water heater pilot light won t light. 
									
	
		
	
																	Although a blocked gas line is one reason why the pilot light on a rheem water heater won t light or stay lit there are other reasons as well some easier to correct than others. 
																	A thermocouple senses the heat of the pilot and allows gas to flow to the burner. 
																	Your heater s pilot light allows the burner to cycle on and off while maintaining the water in the tank at a constant temperature. 
																	A faulty thermocouple or malfunction of the gas valve could be the culprit but the problem may be as simple as a draft coming from a crack in the wall or under the door. 
															
													
									
	
		
	
																	If you don t have any hot water the first thing you should do is check to see if the pilot light on your rheem water heater has gone out. 
																	A bad thermocouple will shut off gas to both the pilot and the. 
																	I ve had this unit since i bought my house 12 years ago and would have been installed way before that. 
																	Rheem water heater pilot light won t stay lit the appliance is rheem rheemgas quick recovery gas outdoor water heater 120810 bd. 
															
													
									
	
		
	
																	When the pilot light goes out for any reason the thermocouple closes the burner s gas supply valve to prevent gas escaping and filling your house. 
																	It s important to know how to light the pilot on your water heater because you should always. 
																	Otherwise if the pilot light is not functioning correctly the unit won t turn on and you won t have hot water.