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500-1825 Laars OEM Replacement Parts |
CSI CONSERVATION SYSTEMS INC 407.351.9121 CONTACT BACK HOME |
Mighty Therm
VW PW Volume Water Heater Current Models 500 MBH to 1825 MBH |
Please call (407) 351-9121 or send
a message for applicability, availability and pricing. Before
contacting CSI, please write down your unit's complete model and
serial number to help us identify the correct OEM replacement part(s) you
require. An asterisk (*) indicates a part we normally keep on hand. Other
OEM parts available by special order.
Please read our Terms
of Sale notice carefully before placing an order. Installation, Operation & Maintenance Manual Return to the Parts Menu |
| Pilot System | Gas System | Electrical System | Water System | Pumps | Combustion Chamber | |
|
Pilot System |
Electronic Spark Ignition |
Complete Factory-Assembled Pilot
& Burner Assemblies Complete factory-assembled pilot/burner assemblies include pilot, ignition lead, sensor lead, burner with pilot bracket and pilot tubing. |
R10529300 | Complete Pilot & Burner Assembly for Natural Gas* |
RW0034300 R10418814 10418816 R0037000 10529502 |
Pilot Burner Assembly Pilot Ignition Lead Pilot Sensor Lead Aluminum Pilot Tubing Dual Main Gas Burner with Pilot Bracket |
R20039600 | Complete Pilot & Burner Assembly for Propane Gas* |
W2001500 R10418814 10418816 R0037000 10529502 |
Pilot Burner Assembly Pilot Ignition Lead Pilot Sensor Lead Aluminum Pilot Tubing Dual Main Gas Burner with Pilot Bracket |
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Individual Pilot & Burner Assembly Components |
RW0034300 RW2001500 RW0034500 |
Natural Gas Pilot Assembly
(Honeywell) Propane Gas Pilot Assembly (Honeywell) Natural Gas Pilot Assembly (Johnson Controls) |
R10418814 10418816 |
Pilot Ignition Lead* Pilot Sensor Lead* |
R0037000 | Aluminum Pilot Tubing* |
10529501 10529502 |
Dual
Main Gas Burner with Pilot Bracket (for Johnson Controls Pilot
only)* Dual Main Gas Burner with Pilot Bracket (for Honeywell Pilot only)* |
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Standing Pilot (Millivolt) Ignition |
Complete Pilot & Burner
Assemblies Complete factory-assembled pilot/burner assemblies include: pilot, thermocouple, sensor lead, burner with pilot bracket and pilot tubing. |
10547001 | Complete Pilot & Burner Assembly for Natural Gas* |
W0035800 W0036500 10418815 R0037000 10529502 |
Pilot Burner Assembly Pilot Thermocouple Pilot Sensor Lead Aluminum Pilot Tubing Dual Main Gas Burner with Pilot Bracket |
10547002 | Complete Pilot & Burner Assembly for Propane Gas* |
W0034400 W0036500 10418816 R0037000 10529502 |
Pilot Burner Assembly Pilot Thermocouple Pilot Sensor Lead Aluminum Pilot Tubing Dual Main Gas Burner with Pilot Bracket |
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Individual Pilot & Burner Assembly Components |
W0034400 W0035800 W0034600 W0034700 |
Natural Gas Pilot Assembly
(Honeywell)* Propane Gas Pilot Assembly (Honeywell)* Natural Gas Pilot Assembly (Johnson Controls)* Propane Gas Pilot Assembly (Johnson Controls)* |
W0036500 | Pilot Thermocouple* |
10418815 10418816 |
Pilot Sensor Lead (Natural Gas)* Pilot Sensor Lead (Propane Gas)* |
R0037000 | Aluminum Pilot Tubing* |
10529501 10529502 |
Dual
Main Gas Burner with Pilot Bracket (for Johnson Controls Pilot
only)* Dual Main Gas Burner with Pilot Bracket (for Honeywell Pilot only)* |
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|
Gas System |
Manual Gas Valves |
Natural Gas |
V0004200 V0004300 |
Manual Gas Valve 1" NPT* Manual Gas Valve 1¼" NPT* |
Propane Gas |
V0004800 | Manual Gas Valve ¾" NPT |
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Safety Gas Valves |
RV0046600 RV0046700 V0046800 |
Automatic Fuel Safety Shutoff Valve
1"x1" NPT (Natural Gas) Automatic Fuel Safety Shutoff Valve 1¼" NPT (Natural Gas) Automatic Fuel Safety Shutoff Valve ¾" NPT (Natural Gas) |
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Operating Gas Valves |
Natural Gas |
V0059600 RV0051200 V0051400 RV0051300 |
Combination / Operating Valve ¾"
NPT Combination / Operating Valve 1" NPT* Combination / Operating Valve 1½" NPT* Combination / Operating Valve 1½" NPT* |
Propane Gas |
V0070800 V0054800 V0054900 |
Combination / Operating Valve ¾" NPT Combination / Operating Valve 1" NPT Combination / Operating Valve 1¼" NPT |
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Other Gas Controls |
W0002100 W0019300 W0002000 W2000200 E0023300 E0023500 E2075100 |
Manual Pilot Gas Valve (Natural or Propane Gas)* Electric Pilot Gas Valve (Natural or Propane Gas)* Pilot Gas Regulator (Natural Gas)* Pilot Gas Regulator (Propane Gas)* High Gas Pressure Switch with Manual Reset* Low Gas Pressure Switch with Manual Reset* Low-Water Fuel Cutoff with Manual Reset* |
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Complete Burner Tray
Assemblies Complete factory-assembled burner trays include all burners, complete pilot assembly, gas burner manifold, gas orifices, anti-rotation bracket, burner tie down brackets and burner tray sheet metal weldment. |
Spark Ignition with On/Off or 2-Stage Firing |
Natural Gas | Propane Gas | |
10550601 10550602 10550603 10550604 10550605 10550606 10550607 10550608 10550609 |
20097401 20097402 20097403 20097404 20097405 20097406 20097407 20097408 20097409 |
Complete Burner Tray 500 Complete Burner Tray 600 Complete Burner Tray 715 Complete Burner Tray 850 Complete Burner Tray 1010 Complete Burner Tray 1200 Complete Burner Tray 1430 Complete Burner Tray 1670 Complete Burner Tray 1825 |
Standing Pilot with On/Off or 2-Stage Firing |
Natural Gas | Propane Gas | |
10526201 10526202 10526203 10526204 10526205 10526206 10526207 10526208 10526209 |
10550201 10550202 10550203 10550204 10550205 10550206 10550207 10550208 10550209 |
Complete Burner Tray 500 Complete Burner Tray 600 Complete Burner Tray 715 Complete Burner Tray 850 Complete Burner Tray 1010 Complete Burner Tray 1200 Complete Burner Tray 1430 Complete Burner Tray 1670 Complete Burner Tray 1825 |
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Other Burner Tray Components |
L0052300 RL0052300 |
Main Gas Burner Main Gas Burner (10-Pack) |
L0050700 L0032900 |
Gas Orifice (0-2000 Feet) Gas Orifice (0-4000 Feet) |
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|
Electrical System |
Electronic Ignition Controls & Leads |
For units with serial numbers beginning with C02F04752 and later: | |
E2305400 E2305500 |
Electronic Ignition Control with
Continuous Retry (Natural Gas)* Electronic Ignition Control with 100% Lock Out (Natural/Propane/CSD-1)* |
For units with serial numbers up to C02F0475 and before: | |
RE0100900 RE2033900 |
Electronic Ignition Control with
Continuous Retry (Natural Gas)* Electronic Ignition Control with 100% Lockout (Natural/Propane/CSD-1)* |
High-Tension Ignition Lead Assemblies | |
10449518 10449519 10449520 10449521 |
High-Tension Lead Assembly
500-600* High-Tension Lead Assembly 715-850* High-Tension Lead Assembly 1010-1430* High-Tension Lead Assembly 1670-1825* |
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Temperature Controls |
RE0014400 E0093200 E0085300 |
Temperature Control 100°F to 240°F (On/Off
Firing)* Temperature Control 130°F to 230°F (2-Stage Firing)* Temperature Control 100°F to 220°F (4-Stage Firing) |
E2057700 | Digital Temperature Control -40°F to 220°F (4-Stage Firing) |
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High-Limit Switches |
RE0015900 | High-Limit Switch with Manual Reset 100°F-225°F* |
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Immersion Wells |
E0025900 E0026400 RE2058300 |
Non-Plated
Temperature Control Immersion Well* Nickel-Plated Temperature Control Immersion Well Stainless Steel Temperature Control Immersion Well |
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Energy Management Monitor (EM2) |
20601500 | EM2 Pump Control* |
E0098300 E2077700 E0109200 20035514 |
Pump Relay* Time Delay Relay* 3-Position Toggle Switch* Wiring Harness |
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Miscellaneous Electrical Components |
E0086100 E0086800 |
Transformer* On/Off Power Switch* |
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|
Water System |
Complete Heat Exchanger
Assemblies (Indoor) Complete factory-assembled heat exchangers include copper/cast iron tube Assembly, inlet water barrier, water diffuser Assembly, cast iron pump adapter, cast iron inlet/outlet header, water barrier Assembly, immersion well, header gaskets and and all hardware. |
10547601 10547602 10547603 10547604 10547605 10547606 10547607 10547608 10547609 |
Complete Heat Exchanger Assembly
500 Complete Heat Exchanger Assembly 600 Complete Heat Exchanger Assembly 715 Complete Heat Exchanger Assembly 850 Complete Heat Exchanger Assembly 1010 Complete Heat Exchanger Assembly 1200 Complete Heat Exchanger Assembly 1430 Complete Heat Exchanger Assembly 1670 Complete Heat Exchanger Assembly 1825 |
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Heat Exchanger
Tube Assemblies Heat exchanger tube assemblies include water barrier and baffles. |
Standard Copper/Cast Iron Tube Assemblies |
Indoor | Outdoor | |
BR534701 BR534702 BR534703 BR534704 BR534705 BR534706 BR534707 BR534708 BR534709 |
BR665901 |
Heat Exchanger Tube Assembly 500 Heat Exchanger Tube Assembly 600 Heat Exchanger Tube Assembly 715 Heat Exchanger Tube Assembly 850 Heat Exchanger Tube Assembly 1010 Heat Exchanger Tube Assembly 1200 Heat Exchanger Tube Assembly 1430 Heat Exchanger Tube Assembly 1670 Heat Exchanger Tube Assembly 1825 |
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Copper Tube Assemblies with Bronze Headers |
Indoor | Outdoor | |
BR542901 BR542902 BR542903 BR542904 BR542905 BR542906 BR542907 BR542908 BR542909 |
BR001101 |
Heat Exchanger Tube Assembly 500 Heat Exchanger Tube Assembly 600 Heat Exchanger Tube Assembly 715 Heat Exchanger Tube Assembly 850 Heat Exchanger Tube Assembly 1010 Heat Exchanger Tube Assembly 1200 Heat Exchanger Tube Assembly 1430 Heat Exchanger Tube Assembly 1670 Heat Exchanger Tube Assembly 1825 |
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Cupronickel Tube Assemblies with Cast Iron Headers |
Indoor | Outdoor | |
BR098401 BR098402 BR098403 BR098404 BR098405 BR098406 BR098407 BR098408 BR098409 |
BR001001 |
Heat Exchanger Tube Assembly 500 Heat Exchanger Tube Assembly 600 Heat Exchanger Tube Assembly 715 Heat Exchanger Tube Assembly 850 Heat Exchanger Tube Assembly 1010 Heat Exchanger Tube Assembly 1200 Heat Exchanger Tube Assembly 1430 Heat Exchanger Tube Assembly 1670 Heat Exchanger Tube Assembly 1825 |
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Cupronickel Tube Assemblies with Bronze Headers |
Indoor | Outdoor | |
BR553701 BR553702 BR553703 BR553704 BR553705 BR553706 BR553707 BR553708 BR553709 |
BR670401 |
Heat Exchanger Tube Assembly 500 Heat Exchanger Tube Assembly 600 Heat Exchanger Tube Assembly 715 Heat Exchanger Tube Assembly 850 Heat Exchanger Tube Assembly 1010 Heat Exchanger Tube Assembly 1200 Heat Exchanger Tube Assembly 1430 Heat Exchanger Tube Assembly 1670 Heat Exchanger Tube Assembly 1825 |
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Heat Exchanger Baffles |
Indoor Units |
Front/Rear | Center | |
10534301 10534302 10534303 10534304 10534305 10534306 10534307 10534308 10534309 |
10534601 10534602 10534603 10534604 10534605 10534606 10534607 10534608 10534609 |
Heat Exchanger Baffle 500 Heat Exchanger Baffle 600 Heat Exchanger Baffle 715 Heat Exchanger Baffle 850 Heat Exchanger Baffle 1010 Heat Exchanger Baffle 1200 Heat Exchanger Baffle 1430 Heat Exchanger Baffle 1670 Heat Exchanger Baffle 1825 |
Outdoor Units |
Front/Rear | Center | |
20020101 20020102 20020103 20020104 20020105 20020106 20020107 20020108 20020109 |
10667701 10667702 10667703 10667704 10667705 10667706 10667707 10667708 10667709 |
Heat Exchanger Baffle 500 Heat Exchanger Baffle 600 Heat Exchanger Baffle 715 Heat Exchanger Baffle 850 Heat Exchanger Baffle 1010 Heat Exchanger Baffle 1200 Heat Exchanger Baffle 1430 Heat Exchanger Baffle 1670 Heat Exchanger Baffle 1825 |
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Individual Water System Components |
10364300 10364301 |
Cast Iron Return Header Bronze Return Header |
10364500 10364501 10364505 |
Cast Iron Inlet/Outlet Header Bronze Inlet/Outlet Header Bronze Inlet/Outlet Header (Service) |
R10364504 | Cast Iron Inlet/Outlet Header (Service) (pre-April 1999 units) |
S0095100 | Header Gasket with Barrier |
10391302 20255401 10391303 10391304 |
Cast Iron Flange 2" (500-850) Bronze Flange 2" (500-850) Cast Iron Flange 2½" (1010-1825) Bronze Flange 2½" (1010-1825 ) |
20130001 20130002 20150302 20150303 |
Cast Iron
Flange Adapter Tee
2" Cast Iron Flange Adapter Tee 2½" Bronze Flange Adapter Tee 2" Bronze Flange Adapter Tee 2½" |
20130005 | Flange Tee 2½" |
S0063700 S0095100 |
Flange Gasket Header Gasket |
A0063300 A0063600 |
75 PSI
Pressure Relief Valve ¾" (500-715) 75 PSI Pressure Relief Valve ¾" (850-1825) |
10364200 10364201 |
Cast Iron Pump Adapter Cast Bronze Pump Adapter |
10483300 | Cast Bronze Pump Housing |
A0021400 A2010200 |
Pump Gasket Seal Kit |
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|
Water Pumps |
Bell & Gossett Pumps & Replacement Parts |
RA2001700 RA2001800 RA2001900 |
Water Pump 500-715 MBH (1/3 HP with
3¼" Brass Impeller)* Water Pump 850-1430 MBH (1/2 HP with 4¼" Brass Impeller)* Water Pump 1670-1825 MBH (3/4 HP with 5¼" Brass Impeller)* |
A0020200 A0021600 |
Coupler Assembly (All HP) Pump Body with Seal Bearing Assembly |
Armstrong Pumps & Replacement Parts |
RA201000 A2010100 A2010200 |
Pump Body with Seal Bearing Assembly* Pump Shaft Bearing Module* Seal Kit* |
A2010301 A2010302 A2010303 |
3½" Diameter Nylon Impeller (1/3 HP)* 4¼" Diameter Nylon Impeller (1/2 HP)* 5¼" Diameter Nylon Impeller (3/4 HP)* |
A2010400 A2010500 |
Coupler Assembly for 1/3 HP Pump* Coupler Assembly for 1/2 HP & 3/4 HP Pump* |
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|
Combustion Chamber |
Complete Tile Assemblies |
20031901 20031902 20031903 20031904 20031905 20031906 20031907 20031908 20031909 |
Complete Tile Assembly 500 Complete Tile Assembly 600 Complete Tile Assembly 715 Complete Tile Assembly 850 Complete Tile Assembly 1010 Complete Tile Assembly 1200 Complete Tile Assembly 1430 Complete Tile Assembly 1670 Complete Tile Assembly 1825 |
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Please call (407) 351-9121 or send
a message for applicability, availability and pricing. Before
contacting CSI, please write down your unit's complete model and
serial number to help us identify the correct OEM replacement part(s) you
require. An asterisk (*) indicates a part we normally keep on hand. Other
OEM parts available by special order.
Please read our Terms
of Sale notice carefully before placing an order. Installation, Operation & Maintenance Manual Return to the Parts Menu |
Specifications subject to change without notice. |
Site Copyright 2006 © Conservation
Systems, Inc. Orlando, Florida USA All other trademarks, logos and copyrights are the property of their respective owners. |
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