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Laars
OEM Replacement Parts

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Laars Pennant PNCH PNCV Boiler/Water Heater
Current Models: 500 MBH to 2000 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.
 
Pennant Product Manual

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| Gas System | Electrical System | Water System | Combustion Chamber |

Gas System
Burner Tray & Ignition System Components
RW2002300 Hot Surface Igniter
V2016000
V2000200
Combination Gas Valve
Manual Shut-Off Valve
L2013000
L2012400
Natural Gas Orifice
Propane Gas Orifice
L2012900
L2012800
Burner Tray Manifold 500 (3 Burners/Left)
Burner Tray Manifold 500 (3 Burners/Right)
L2012700
L2012600
Burner Tray Manifold 1000/2000 (4 Burners/Left)
Burner Tray Manifold 1000/2000 (4 Burners/Right)
S2012700
S2012500
Burner Tray Gasket (3 Burners)
Burner Tray Gasket (4 Burners)
5C6100
10C6100
20C6100
Gas Supply Manifold 500
Gas Supply Manifold 1000
Gas Supply Manifold 2000
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Complete Burner Tray Assemblies
Complete factory-assembled burner trays include operating gas valve, manual shutoff valve, orifices, burner tray manifold, and all gaskets. Call for application and ordering information.
5C6200
5C6300
Burner Tray Assembly 500 (3 Burners/Right/Natural Gas)
Burner Tray Assembly 500 (3 Burners/Left/Natural Gas)
10C6200
10C6300
Burner Tray Assembly 1000/2000 (4 Burners/Right/Natural Gas)
Burner Tray Assembly 1000/2000 (4 Burners/Left/Natural Gas)
5C6220
5C6320
Burner Tray Assembly 500 (3 Burners/Right/Propane Gas)
Burner Tray Assembly 500 (3 Burners/Left/Propane Gas)
10C6220
10C6320
Burner Tray Assembly 1000/2000 (4 Burners/Right/Propane Gas)
Burner Tray Assembly 1000/2000 (4 Burners/Left/Propane Gas)
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Combustion Air Components
E0161400 Pressure Switch
A2108900
5C5300
15C5400
Blower
Blower Mount Weldment
Blower Duct Assembly Damper (2000)
A2088700 Washable Air Filter
R2014701
R2014703
R2014705
Air Filter Assembly 500
Air Filter Assembly 1000
Air Filter Assembly 2000
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Other Gas System Components
V2003100 Ball Valve
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Electrical System
Ignition Controls
E2107300
E2313900
Automatic Electronic Ignition Control (Propane Gas or CSD-1)
Automatic Electronic Ignition Control (Natural Gas)
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Temperature Controls
E2106900
E2106800
2-Stage Temperature Control 500/750
4-Stage Temperature Control 1000-2000
E0014400
E2217700
Automatic Reset High-Limit Switch (PNCH)
Automatic Reset High-Limit Switch 210°F (PNCV)
E0015900
E2217800
Manual Reset High-Limit Switch (PNCH)
Manual Reset High-Limit Switch 210°F (PNCV)
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Other Electrical Components
RE0013000
R0302000
Water Flow Control Switch
Water Pressure Switch
E2075100 Low-Water Fuel Safety Cutoff Switch
A2110800
A2110900
E2317400
Mixing System Actuator
Mixing System Ball Valve
Mixing System Wiring Harness
E2105500
R2027700
Diagnostic Board
10 Amp Relay for Diagnostic Board
5C7200
5C7103
E2307400
5C7200
Control Panel Weldment
Control Panel Mounting Bracket
Field Wiring Terminal Board
Field Wiring Board
E0076600
E0076700
E0086800
E0098300
E2014800
E2105600
E2106600
E2106200
E2306700
E2310400
DPDT Relay 1500
DPDT Relay 2000
SPST Toggle Switch
SPST Pump Relay
Water Temperature Control Sensor
Indicator Light Board Panel
Rocker Switch
6A Circuit Breaker
Encapsulated Relay Module
Transformer
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Water System
Complete Heat Exchanger Assemblies
Complete factory-assembled heat exchangers include finned copper heat exchanger, glass-lined cast iron headers and bronze trim. Bronze headers and cupronickel heat exchanger are also available.
5C400
7C400
10C400
12C400
15C400
17C400
20C400
Complete Heat Exchanger 500
Complete Heat Exchanger 750
Complete Heat Exchanger 1000
Complete Heat Exchanger 1250
Complete Heat Exchanger 1500
Complete Heat Exchanger 1750
Complete Heat Exchanger 2000
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Cast Iron Components
10364504
10364300
Inlet/Outlet Cover
Return Cover
10391302
10391303
Flange 500
Flange 1000/2000
20130001
20130002
Outlet Adapter Tee 500/1000
Outlet Adapter Tee 2000
10261501
10364200
Pump Housing
Pump Adapter
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Bronze Components
10364504
10364300
Inlet/Outlet Cover
Return Cover
10391302
10391303
Flange 500
Flange 1000/2000
20130001
20130002
Outlet Adapter Tee 500/1000
Outlet Adapter Tee 2000
10261501
10364200
Pump Housing
Pump Adapter
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Gaskets
S0095100
S0063700
S0024600
Header Gasket
Flange Gasket
Pump Adapter Gasket
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Water Barriers & Baffles
20230101
10338300
10338400
Inlet/Outlet Water Barrier
Inlet Water Barrier
Pump Inlet Diffuser Baffle
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Pressure Relief Valves
A0063300
A0063600
A2108800
Water Pressure Relief Valve 75psi (PNCH 500)
Water Pressure Relief Valve 75psi (PNCH 1000)
Water Pressure Relief Valve 75psi (PNCH 2000)
A0001200
A0064400
Water Pressure Relief Valve 125psi (PNCV 500/1000)
Water Pressure Relief Valve 125psi (PNCV 2000)
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Water Pumps
Hydronic Heating Applications
A2001700
A2001800
A2109700
Water Pump 500 (PNCH Hydronic)
Water Pump 1000 (PNCH Hydronic)
Water Pump 2000 (PNCH Hydronic)
Soft Water Applications
A2001700
A2001700
A2109700
Water Pump 500 (PNCV)
Water Pump 1000 (PNCV)
Water Pump 2000 (PNCV)
Normal Water Applications
A2001700
A2001800
A2109700
Water Pump 500 (PNCV)
Water Pump 1000 (PNCV)
Water Pump 2000 (PNCV)
Hard Water Applications
A2001900
A2001900
A2109700
Water Pump 500 (PNCV)
Water Pump 1000 (PNCV)
Water Pump 2000 (PNCV)
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Other Components
A0079000
E2058300
Pressure & Temperature Gauge
Nickel-Plated Temperature Control Immersion Well

Combustion Chamber
T2015600 Right or Left Side Tile (All Sizes)
T2015500
T2015900
T2016500
T2017400
T2018000
Bottom Tile 500
Middle Bottom Tile 1250-2000
Right Bottom Tile 750
Left Bottom Tile 750-2000
Right Bottom Tile 1250 1750
T2016200
T2016300
T2016800
T2016900
T2017100
T2017900
Left Front Tile 750
Right Front Tile 750
Left Front Tile 1000-2000
Center Front Tile 1200-2000
Right Front Tile 1000 1500 2000
Right Front Tile 1250 1750
T2015700
T2016600
T2017200
T2017500
T2018100
Rear Tile 500
Left Rear Tile 750-2000
Center Rear Tile 1250-2000
Right Rear Tile 750
Right Rear Tile 1250-1750
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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.
 
Pennant Product Manual

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Specifications subject to change without notice.
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