3
Part No.
Description
Model Size
Part No.
Description
Model Size
MegaTherm Model MT
MegaTherm Model MT
MegaTherm Model MT
MegaTherm Model MT
MegaTherm Model MT
Old style AP before April 1999, New style after April 1999
Sizes 500,000 - 1,825,000 BTU/h
GAS SYSTEM
BURNER TRAYS
See listing in MegaTherm HH, PH, VW, PW and IW for common components.
10525901
Gas Manifold Weldment
(single inlet) .................................. both .. 500 ..........................
10525902
Gas Manifold Weldment
(single inlet) .................................. both .. 600 ..........................
10525903
Gas Manifold Weldment
(single inlet) .................................. both .. 715 ..........................
10525904
Gas Manifold Weldment
(single inlet) .................................. both .. 850 ..........................
10525905
Gas Manifold Weldment
(single inlet) .................................. both .. 1010 ........................
10525906
Gas Manifold Weldment
(single inlet) .................................. both .. 1200 ........................
10525907
Gas Manifold Weldment
(single inlet) .................................. both .. 1430 ........................
10525908
Gas Manifold Weldment
(single inlet) .................................. both .. 1670 ........................
10525909
Gas Manifold Weldment
(single inlet) .................................. both .. 1825 ........................
RL0052300 Burner, Main 10 Pack ................... both ....................................
10529501
Pilot Bracket/Burner Weldment
(Johnson) ...................................... old .......................................
10529502
Pilot Bracket/Burner Weldment
(Honeywell) ................................... both ....................................
R10529300 Pilot Burner IID, Nat 500-1825
Honeywell, 4-Stage ...................... both ....................................
R20039600 Pilot Burner Assy IID LP
Honeywell, 4-Stage ...................... both ....................................
10547002
Complete Pilot Assy
Standing Pilot, LP ......................... both ....................................
10547001
Complete Pilot Assy
Standing Pilot, Nat ........................ both ....................................
W0035800
Pilot Burner (Honeywell)
Standing Pilot, Nat ........................ both ....................................
W0034400
Pilot Burner (Honeywell)
Standing Pilot, LP ......................... both ....................................
RW0034300 Pilot Burner (Honeywell) Spark Ignition
Nat ................................................ both ....................................
W2001500
Pilot Burner (Honeywell) Spark Ignition
LP .................................................. both ....................................
RW0034500 Pilot Burner Nat Spark Johnson ... both ....................................
W0034600
Pilot Burner (Johnson) Standing
Pilot LP ......................................... both ....................................
W0036500
Thermocouple (Standing Pilot) ..... both ....................................
10418815
Pilot Sensor Lead Assy - Std Pilot/
Nat gas ......................................... both ....................................
10418816
Pilot Sensor Lead Assy - Std Pilot/LP
Spark Ign / LP & Nat ..................... both ....................................
R10418814 Pilot Ignition Lead Assy - Spark Ign ..........................................
L0050700
Orifice, Nat Gas, 0-2000 ft ........... both ....................................
L0032600
Orifice, Nat Gas, 2001-5000 ft ..... both ....................................
L0050200
Orifice, Nat Gas, 5001-6000 ft ..... both ....................................
L0050300
Orifice, Nat Gas, 6001-7000 ft ..... both ....................................
L0050400
Orifice, Nat Gas, 7001-10000 ft ... both ....................................
L0032900
Orifice, LP Gas, 0-4000 ft ............. both ....................................
L0032800
Orifice, LP Gas, 4001-8000 ft ....... both ....................................
L0032700
Orifice, LP Gas, 8001-10000 ft .... both ....................................
V0004200
Gas Valve, Manual, 1", Nat
LP 1010-1200 ............................... both .. 500-715 ..................
V0004300
Gas Valve, Manual, 1-1/4", Nat
LP 1430-1825 ............................... both .. 850-1825 ................
V0004800
Gas Valve, Manual, 3/4", LP ........ both .. 500-850 ..................
RV0046600 Valve Gas Auto 1x1 Nat/LP 24V .. both .. 500-850 ..................
RV0046700 Gas Valve, Safety, 1-1/4", On/Off
& 2-Stage, Nat .............................. both .. 1010-1670 ..............
V0046800
Gas Valve, Safety, 1-1/2" On/Off
& 2-Stage, Nat .............................. both .. 1825 ........................
V0047600
Gas Valve Combo, 1x1 Nat 24V ...............................................
RV0051200 Valve Gas Combo 1" 24V Nat
On/Off & 2-Stage .......................... both .. 500-850 ..................
RV0051300 Valve Gas Combo 1-1/4" 24V Nat
On/Off & 2-Stage .......................... both .. 1010-1430 ..............
V0051400
Gas Valve, Combination/Operating
1-1/2", On/Off & 2-Stage, Nat ..... both .. 1670-1825 ..............
V0059600
Gas Valve, Combination/Operating
3/4", used on 4-Stage, Nat ........... both .. 500-715 ..................
V0054800
Gas Valve, Combination/Operating
1", On/Off & 2-Stage, LP ............. both .. 500-1200 ................
V0054900
Gas Valve, Combination/Operating
1-1/4", On/Off & 2-Stage, LP ....... both .. 1430-1825 ..............
V0070800
Gas Valve, Combination/Operating
3/4", used on 4-Stage, LP ............ both .. 500-850 ..................
W0002100
Pilot Gas Valve, Manual, Nat/LP .. both .. all ..........................
W0019300
Pilot Valve, Solenoid, Nat/LP ....... both .. all ..........................
W0002000
Pilot Regulator, Nat ...................... both .. all ..........................
W2000200
Pilot Regulator, LP ....................... both .. all ..........................
Manifold cover plate assembliles, anti rotation brackets and tie down
brackets - see listing for MegaTherm HH, PH, VW, PW and IW for common
components.
ELECTRICAL COMPONENTS
RE0100900 Controller, Ignition Module
(used prior to April 1999) .............. both ....................................
RE2033900 Ignition Control (used prior to April 1999) .................................
E2305400
Ignition Control, UT 100% Lockout
After 1 Retry ..............................................................................
E2305500
Ignition Control, UT, Continuous Retry .....................................
R0021300
Transformer, 40VA, 115/24V Kit .. both ....................................
E2103900
High Limit, Manual Reset Switch . new .....................................
E2103800
Water Temp Control 60-105°F ..... new .....................................
E2103600
Water Temp Sensor ..................... new .....................................
RE2218701 Pressure Switch, Water .............................................................
RE0066200 Switch, Dual Aquastat .................. old .......................................
E0109200
Toggle Switch, 3-Position ............. both ....................................
E0086800
Toggle Switch ............................... both ....................................
10449518
Hi Tension Lead (orange/red wire
from ignition ctrl to pilot lead) ....... both .. 500-600 ..................
10449519
Hi Tension Lead (orange/red wire
from ignition ctrl to pilot lead) ....... both .. 715-850 ..................
10449520
Hi Tension Lead (orange/red wire
from ignition ctrl to pilot lead) ....... both .. 1010-1430 ..............
