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AM Series Boiler & Water Heater User Manual
CHAPTER 3: INSTALLATION – SITE
Installing the 119-Gallon Tank - Continued
7.
Install the thermowell (P/N 49263) into the lower port on tank (see Figure 3-16) with pipe
dope, then put heat conducting compound (P/N 122848) inside the thermowell.
8.
Put the temperature sensor probe through the cord grip (P/N 62005) and then insert the
sensor fully into the thermowell (see Figure 3-16). Screw the cord grip into the thermowell
and then tighten cord grip to secure the temperature sensor probe in the thermowell.
9.
Install pressure relief valve (P/N 92129) into upper port of tank using appropriate pipe dope
(such as Loctite 567). Valve outlet should point downwards (Figure 3-16).
119 GALLON
BUFFER
TANK
STEP 9:
INSTALL
P&T VALVE
STEP 10:
INSTALL
REDUCER
COUPLERS
STEP 11:
INSTALL
3" NIPPLES
STEP 7:
INSTALL
THERMO-
WELL
STEP 8:
INSTALL
CORD GRIP
STEP 6:
TIGHTEN
TANK
CLAMPS
Figure 3-16: AMR 119-Gallon Tank Installation and Components
10.
Install a reducing coupler
both connections from 2-1/2" to 2".
Install a 3" nipple (P/N 90046-3) into the reducing couplers installed in the tank's INLET and
11.
OUTLET in Step 10.
Connect 24" flex hose (P/N 97084-24) between nipple in the tank INLET and AMR OUTLET.
12.
Connect 18" or 24" (see NOTE) flex hose between nipple in the tank OUTLET and AMR
13.
recirculation loop INLET (Figure 3-16).
14.
Double-check that all water connections on the rear of the unit are tight and have not
loosened during shipping.
NOTE:
Use 18" hose (P/N 97084-18) for 399/500 units & 24" hose (P/N 97084-24) for 750/1000
units.
OMM-0100_E • GF-146 • 11/15/2019
(P/N 93499)
into both the tank INLET and OUTLET to reduce
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
STEP 12:
INSTALL 24"
FLEX HOSE
AMR HOT
WATER
OUTLET
TANK
INLET
AMR
RECIRC.
LOOP
INLET
TANK
OUTLET
STEP 13:
INSTALL
18" (399/500)
OR
24" (750/1000)
FLEX HOSE
Page 42 of 170
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