Leakage Test Points; Service - Lochinvar LTN07575 Instruction Manual

FIGURE 25. WATER HEATER COMPONENTS

LEAKAGE TEST POINTS

A. Water at the draft hood is water vapor which has
condensed out of the combustion products. This is caused
by a problem in the vent. Contact the gas utility.
B. *Condensation may be seen on pipes in humid weather
or pipe connections may be leaking.
C. *The anode rod fitting may be leaking.
D. Small amounts of water from temperature-pressure relief
valve may be due to thermal expansion or high water
pressure in your area.
E. *The temperature-pressure relief valve may be leaking at
the tank fitting.
F. Water from a drain valve may be due to the valve being
slightly opened.
G. *The drain valve may be leaking at the tank fitting.
H. Combustion products contain water vapor which can
condense on the cooler surfaces of the tank. Droplets
form and drip onto the burner or run on the floor. This is
common at the time of start-up after installation and when
incoming water is cold.
I. Water in the water heater bottom or on the floor may be
from condensation, loose connections, or the relief valve.
DO NOT replace the water heater until a full inspection
of all possible water sources is made and necessary
corrective steps taken.
*To check where threaded portion enters tank, insert cotton
swab between jacket opening and fitting. If cotton is wet,
follow the instructions in
and then remove fitting. Put pipe dope or teflon tape on the
threads and replace. Then follow the instructions in
the Water Heater

SERVICE

Before calling for repair service, read the "Start Up
Conditions" and "Operational Conditions" found in the "For
Your Information" section of this manual.
If a condition persists or you are uncertain about the
operation of the water heater contact a service agency. If
you are not thoroughly familiar with gas codes, your water
heater, and safety practices, contact your gas supplier or
qualified installer to check the water heater.
Use the "Leakage Checkpoints" guide to check a "leaking"
31
Draining and Flushing
(page 15).
(page 30)
Filling