Sears 153.33262 manual Sizzling-Rumbling

continued:

PROBLEM		POSSIBLE CAUSE(S)		CORRECTIVE ACTION
	1. Improperly sealed, hot or cold supply		1.	Tighten threaded connections.
		connections, relief valve, drain valve or
WATER LEAKS	2.	thermostat threads.	2.	Inspect other appliances near water heater.
		Leakage from other appliances or
	3.	water lines.	3.	See “START UP CONDITIONS”, section.
		Condensation of flue products.
	4.	Excessive water pressure.	4.	Use a pressure reducing valve and relief valve.
	5.	Heater stacking.	5.	Lower the thermostat setting.
	6.	Closed water system.	6.	See “Closed System/Thermal Expansion”.
	1. Thermal expansion in closed water		1. Install thermal expansion tank (DO NOT plug T&P
LEAKING T&P		system.		valve).
	2.	Improperly seated valve.	2.	Check relief valve for proper operation (DO NOT
				plug T&P valve.
	1. High sulfate or mineral content in water		1.	Drain and flushing heater thoroughly then refill.
HOT WATER ODORS		supply.
	2.	Bacteria in water supply.	2.	Chlorinate water supply.
	1. Condensation dripping on burner.		1.	See “START UP CONDITIONS”, section.
WATER HEATER SOUNDS	2.	Sediment at bottom of heater tank.	2.	See “DRAINING AND FLUSHING”, section.
SIZZLING-RUMBLING
	1.	Insufficient secondary air.	1. Provide ventilation to water heater. Check flue way,
SMOKING AND CARBON				flue baffle, burner.
	2.	Low gas pressure.	2.	Check with gas utility company.
FORMATION (SOOTING)
	3.	Water heater flue or vent system	3.	Clean, locate source and correct.
	4.	blocked.	4.	Replace thermostat.
		Thermostat not functioning properly.
	5.	Heater installed in a confined area.	5.	Provide fresh air ventilation.
	6.	Burner flame yellow-lazy.	6.	See “Burner Flame Yellow-Lazy”.
	1. Thermostat set too high.		1. Set temperature to lower setting.
	2.	Sediment or lime in tank.	2.	Drain/flush-provide water treatment if needed.
HIGH OPERATION COSTS	3.	Water heater too small for job.	3.	Install adequate heater.
	4.	Wrong piping connections.	4.	Correct piping-dip tube must be in cold inlet.
	5.	Leaking faucets.	5.	Repair faucets.
	6.	Gas leaks.	6.	Check with utility-repair at once.
	7.	Wasted hot water.	7.	Advise customer.
	8.	Long runs of exposed piping.	8.	Insulate piping.
	9.	Hot water piping in exposed wall.	9.	Insulate piping.
THERMOSTAT FAILS TO	1.	Thermostat not functioning properly.	1.	Replace thermostat.
SHUT-OFF	2.	Improper calibration.	2.	Replace thermostat.
	1.	Excessive water pressure.	1. Use a pressure reducing valve and relief valve.
DRIP FROM RELIEF VALVE	2.	Heater stacking.	2.	Lower the thermostat setting.
	3.	Closed water system.	3.	See “CLOSED SYSTEM/THERMAL EXPAN-
				SION”, section.

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