TYPICAL INSTALLATION
REPLACEMENT PARTS AND DELIMING PRODUCTS
Replacement parts and recommended delimer may be ordered through authorized servicers or distributors. When ordering parts, provide complete model and serial numbers (see rating plate), quantity and name of part desired. (See Replacement Parts Insert for list of part numbers and descriptions.) Standard hardware items may be purchased locally.
(A) | VENT PIPE | (W) | DRAIN PAN |
(B) | ANODE | (X) | CONTROL |
(C) | HOT WATER OUTLET | (Y) | CONTROL HARNESS* |
(D) | OUTLET (120 VAC) | (AA) MOTOR & BLOWER | |
(F) | GAS SUPPLY | (CC) CONDENSATE FITTING | |
(G) | MAIN MANUAL GAS |
| (4 Places as Shown)** |
| SHUT OFF VALVE | (DD) PLASTIC TOP | |
(H) | GROUND JOINT UNION | (EE) ON/OFF SWITCH | |
(J) | DIRT LEG | (FF) | EXHAUST TEE |
(K) | OUTER DOOR | (GG) ELBOW | |
(L) | UNION | (HH) BUSHING | |
(M) | INLET WATER SHUT | (II) | NIPPLE |
| OFF VALVE | (JJ) | CONDENSATE TEE |
(N) | COLD WATER INLET | (KK) HOSE BARB | |
(O) | INLET DIP TUBE | (LL) | PLUG |
(P) | TEMPERATURE AND | (MM) VENT PIPE ASSEMBLY #1 | |
| PRESSURE RELIEF VALVE | (NN) VENT PIPE ASSEMBLY #2 | |
(Q) | RATING PLATE | (OO) VENT PIPE ASSEMBLY #3 | |
(R) | INSULATION | (PP) SIDE RECIRCULATION | |
(S) | VENT TERMINAL |
| LOOP INLET*** |
(T) | DRAIN VALVE | (QQ) SIDE RECIRCULATION | |
(U) | IGNITER AND MAIN |
| LOOP OUTLET*** (not shown) |
| BURNER | (RR) VENT ATTENUATION | |
|
|
| ASSEMBLY (VAA) (Optional) |
CONDENSATE ASSEMBLY
(U)NATURAL GAS MAIN BURNER WITH IGNITER ASSEMBLY
SIDE VIEW
*CAUTION HARNESS HAS 120 VAC. IN OPERATION.
**See "PLANNING THE VENT SYSTEM", "CONDENSATE" and "PREPARATION OF BLOWER ASSEMBLY" in the "INSTALLATION" section for more information.
***The side recirculation loop connections may not be used as the primary water inlet and outlet connections. For your convenience, plugs are installed in these fittings at the factory. Remove these plugs if needed for your specific installation. Otherwise (as with all connections) check for leaks while filling the tank with water and after completing the installation.
VACUUM RELIEF
VALVE
*INSTALL PER LOCAL CODES
(X)TEMPERATURE INDICATORS
TEMPERATURE ADJUSTMENT BUTTONS
FIGURE 1
3