General Air Conditioning Parts Reference
R454B Rooftop Package Unit Spare Parts
Part-number identification guide for RAQ rooftop package units
Important: This article is a part-number reference only. It contains no pricing. Always confirm the complete unit model and serial number before ordering, particularly for compressors, controllers and parts with an A, SC or DC suffix.
Fastest way to locate a part: Press Ctrl + F on Windows or Command + F on Mac, then enter the part number, component description or model number.
1. Quick model selection
2. Part-number lookup
How to use this table: Find the part number or description, then check the model chips to confirm where it is listed and the quantity fitted to each unit.
| Part number | Description | Applicable models and quantities |
|---|
| 316829 | Main display | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 1) RAQ 230 (Qty 1) RAQ 234 (Qty 1) RAQ 236 (Qty 1) RAQ 238 (Qty 1) |
| 325974 | Microprocessor / MCX controller | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 224 (Qty 1) RAQ 230 (Qty 1) RAQ 236 (Qty 1) |
| 325974DC | MCX controller - double-circuit program | RAQ 234 (Qty 1) RAQ 238 (Qty 1) |
| 325974SC | MCX controller - single-circuit program | RAQ 120 (Qty 1) |
| 328126 | 4-way reversing valve | RAQ 17 (Qty 1) RAQ 110 (Qty 1) |
| A2200040 | Thermostatic expansion valve (TXV) | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) |
| A2200049 | Thermostatic expansion valve (TXV) | RAQ 236 (Qty 2) |
| A2200049A | Thermostatic expansion valve (TXV) | RAQ 238 (Qty 2) |
| A2400002 | Liquid receiver | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) |
| A2400003 | Liquid receiver | RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) RAQ 236 (Qty 2) |
| A2400003A | Liquid receiver | RAQ 238 (Qty 2) |
| A2600001 | Filter drier | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) RAQ 236 (Qty 2) |
| A2600001A | Filter drier | RAQ 238 (Qty 2) |
| A2700001 | Check valve | RAQ 15 (Qty 4) RAQ 17 (Qty 4) RAQ 110 (Qty 4) RAQ 112 (Qty 4) RAQ 115 (Qty 4) RAQ 118 (Qty 4) RAQ 120 (Qty 4) RAQ 224 (Qty 4) RAQ 230 (Qty 4) RAQ 234 (Qty 4) RAQ 236 (Qty 4) |
| A2700001A | Check valve | RAQ 238 (Qty 4) |
| A3100364 | Evaporator fan - EC | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) |
| A3100365 | Evaporator fan - EC | RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 1) |
| A3100366 | Evaporator fan - EC | RAQ 230 (Qty 1) RAQ 234 (Qty 1) |
| A3100367 | Evaporator fan - EC | RAQ 236 (Qty 1) RAQ 238 (Qty 1) |
| A3300002 | Full filter | RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 2) RAQ 230 (Qty 4) RAQ 234 (Qty 4) RAQ 236 (Qty 6) RAQ 238 (Qty 6) |
| A3300003 | Full filter | RAQ 15 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 2) RAQ 120 (Qty 2) RAQ 224 (Qty 3) RAQ 230 (Qty 2) RAQ 234 (Qty 2) |
| A7400068 | Temperature sensor | RAQ 15 (Qty 3) RAQ 17 (Qty 3) RAQ 110 (Qty 3) RAQ 112 (Qty 3) RAQ 115 (Qty 3) RAQ 118 (Qty 3) RAQ 120 (Qty 3) RAQ 224 (Qty 3) RAQ 230 (Qty 3) RAQ 234 (Qty 3) RAQ 236 (Qty 3) RAQ 238 (Qty 3) |
| A7400117 | R454B gas sensor | RAQ 15 (Qty 2) RAQ 17 (Qty 2) RAQ 110 (Qty 2) RAQ 112 (Qty 2) RAQ 115 (Qty 2) RAQ 118 (Qty 2) RAQ 120 (Qty 2) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) RAQ 236 (Qty 2) RAQ 238 (Qty 2) |
| A7400123 | Gas sensor cable | RAQ 15 (Qty 2) RAQ 17 (Qty 2) RAQ 110 (Qty 2) RAQ 112 (Qty 2) RAQ 115 (Qty 2) RAQ 118 (Qty 2) RAQ 120 (Qty 2) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) RAQ 236 (Qty 2) RAQ 238 (Qty 2) |
| A7500031 | High-pressure switch (WP) | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) RAQ 236 (Qty 2) RAQ 238 (Qty 2) |
| A7500032 | Low-pressure switch (WP) | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) RAQ 236 (Qty 2) RAQ 238 (Qty 2) |
| A7700007 | Fan speed regulator | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 1) RAQ 230 (Qty 1) RAQ 234 (Qty 1) RAQ 236 (Qty 1) RAQ 238 (Qty 1) |
| A7A00008 | Compressor | RAQ 17 (Qty 1) |
| M0100030 | Compressor | RAQ 110 (Qty 1) |
| M0100032A | Compressor | RAQ 15 (Qty 1) |
| M0100035 | Compressor | RAQ 112 (Qty 1) RAQ 224 (Qty 2) |
| M0100036 | Compressor | RAQ 115 (Qty 1) RAQ 230 (Qty 2) |
| M0100036A | Compressor | RAQ 234 (Qty 2) |
| M0100038 | Compressor | RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 236 (Qty 2) |
| M0100038A | Compressor | RAQ 238 (Qty 2) |
| M0700117 | Sight glass | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) RAQ 236 (Qty 2) |
| M0700117A | Sight glass | RAQ 238 (Qty 2) |
| M2400064 | Solenoid coil for 4-way valve | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 1) RAQ 230 (Qty 1) RAQ 234 (Qty 1) RAQ 236 (Qty 1) RAQ 238 (Qty 1) |
| M2400066 | 4-way reversing valve | RAQ 15 (Qty 1) |
| M2400067 | 4-way reversing valve | RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 224 (Qty 1) RAQ 230 (Qty 1) RAQ 234 (Qty 1) |
| M2400068 | 4-way reversing valve | RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 236 (Qty 1) |
| M2400068A | 4-way reversing valve | RAQ 238 (Qty 1) |
| M3500217 | Crankcase heater | RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) RAQ 236 (Qty 2) |
| M3500217A | Crankcase heater | RAQ 238 (Qty 2) |
| M3500793 | Crankcase heater | RAQ 15 (Qty 1) RAQ 17 (Qty 1) |
| M3500837 | High-pressure transducer | RAQ 15 (Qty 1) RAQ 17 (Qty 1) RAQ 110 (Qty 1) RAQ 112 (Qty 1) RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) RAQ 236 (Qty 2) RAQ 238 (Qty 2) |
| M5100030 | Condensing fan - AC | RAQ 15 (Qty 1) RAQ 17 (Qty 1) |
| M5100031 | Condensing fan - AC | RAQ 110 (Qty 1) RAQ 112 (Qty 1) |
| M5100032 | Condensing fan - AC | RAQ 115 (Qty 1) RAQ 118 (Qty 1) RAQ 120 (Qty 1) RAQ 224 (Qty 2) RAQ 230 (Qty 2) RAQ 234 (Qty 2) RAQ 236 (Qty 2) RAQ 238 (Qty 2) |
3. Spare parts by unit model
RAQ/K/WP/EC 15 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100030 | Condensing fan - AC | 1 |
| A3100364 | Evaporator fan - EC | 1 |
| M0100032A | Compressor | 1 |
| A2600001 | Filter drier | 1 |
| A2200040 | Thermostatic expansion valve (TXV) | 1 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 1 |
| A2400002 | Liquid receiver | 1 |
| M2400066 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 1 |
| A7500032 | Low-pressure switch (WP) | 1 |
| M3500837 | High-pressure transducer | 1 |
| 325974 | Microprocessor / MCX controller | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300003 | Full filter | 1 |
| M3500793 | Crankcase heater | 1 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 17 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100030 | Condensing fan - AC | 1 |
| A3100364 | Evaporator fan - EC | 1 |
| A7A00008 | Compressor | 1 |
| A2600001 | Filter drier | 1 |
| A2200040 | Thermostatic expansion valve (TXV) | 1 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 1 |
| A2400002 | Liquid receiver | 1 |
| 328126 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 1 |
| A7500032 | Low-pressure switch (WP) | 1 |
| M3500837 | High-pressure transducer | 1 |
| 325974 | Microprocessor / MCX controller | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300002 | Full filter | 1 |
| M3500793 | Crankcase heater | 1 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 110 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100031 | Condensing fan - AC | 1 |
| A3100364 | Evaporator fan - EC | 1 |
| M0100030 | Compressor | 1 |
| A2600001 | Filter drier | 1 |
| A2200040 | Thermostatic expansion valve (TXV) | 1 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 1 |
| A2400002 | Liquid receiver | 1 |
| 328126 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 1 |
| A7500032 | Low-pressure switch (WP) | 1 |
| M3500837 | High-pressure transducer | 1 |
| 325974 | Microprocessor / MCX controller | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300003 | Half filter | 1 |
| A3300002 | Full filter | 1 |
| M3500217 | Crankcase heater | 1 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 112 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100031 | Condensing fan - AC | 1 |
| A3100364 | Evaporator fan - EC | 1 |
| M0100035 | Compressor | 1 |
| A2600001 | Filter drier | 1 |
| A2200040 | Thermostatic expansion valve (TXV) | 1 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 1 |
| A2400003 | Liquid receiver | 1 |
| M2400067 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 1 |
| A7500032 | Low-pressure switch (WP) | 1 |
| M3500837 | High-pressure transducer | 1 |
| 325974 | Microprocessor / MCX controller | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300003 | Half filter | 1 |
| A3300002 | Full filter | 1 |
| M3500217 | Crankcase heater | 1 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 115 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100032 | Condensing fan - AC | 1 |
| A3100365 | Evaporator fan - EC | 1 |
| M0100036 | Compressor | 1 |
| A2600001 | Filter drier | 1 |
| A2200040 | Thermostatic expansion valve (TXV) | 1 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 1 |
| A2400003 | Liquid receiver | 1 |
| M2400067 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 1 |
| A7500032 | Low-pressure switch (WP) | 1 |
| M3500837 | High-pressure transducer | 1 |
| 325974 | Microprocessor / MCX controller | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300003 | Half filter | 1 |
| A3300002 | Full filter | 1 |
| M3500217 | Crankcase heater | 1 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 118 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100032 | Condensing fan - AC | 1 |
| A3100365 | Evaporator fan - EC | 1 |
| M0100038 | Compressor | 1 |
| A2600001 | Filter drier | 1 |
| A2200040 | Thermostatic expansion valve (TXV) | 1 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 1 |
| A2400003 | Liquid receiver | 1 |
| M2400068 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 1 |
| A7500032 | Low-pressure switch (WP) | 1 |
| M3500837 | High-pressure transducer | 1 |
| 325974 | Microprocessor / MCX controller | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300003 | Half filter | 2 |
| A3300002 | Full filter | 1 |
| M3500217 | Crankcase heater | 1 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 120 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100032 | Condensing fan - AC | 1 |
| A3100365 | Evaporator fan - EC | 1 |
| M0100038 | Compressor | 1 |
| A2600001 | Filter drier | 1 |
| A2200040 | Thermostatic expansion valve (TXV) | 1 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 1 |
| A2400003 | Liquid receiver | 1 |
| M2400068 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 1 |
| A7500032 | Low-pressure switch (WP) | 1 |
| M3500837 | High-pressure transducer | 1 |
| 325974SC | MCX controller - single-circuit program | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300003 | Half filter | 2 |
| A3300002 | Full filter | 1 |
| M3500217 | Crankcase heater | 1 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 224 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100032 | Condensing fan - AC | 2 |
| A3100365 | Evaporator fan - EC | 1 |
| M0100035 | Compressor | 2 |
| A2600001 | Filter drier | 2 |
| A2200040 | Thermostatic expansion valve (TXV) | 2 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 2 |
| A2400003 | Liquid receiver | 2 |
| M2400067 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 2 |
| A7500032 | Low-pressure switch (WP) | 2 |
| M3500837 | High-pressure transducer | 2 |
| 325974 | Microprocessor / MCX controller | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300003 | Half filter | 3 |
| A3300002 | Full filter | 2 |
| M3500217 | Crankcase heater | 2 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 230 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100032 | Condensing fan - AC | 2 |
| A3100366 | Evaporator fan - EC | 1 |
| M0100036 | Compressor | 2 |
| A2600001 | Filter drier | 2 |
| A2200040 | Thermostatic expansion valve (TXV) | 2 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 2 |
| A2400003 | Liquid receiver | 2 |
| M2400067 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 2 |
| A7500032 | Low-pressure switch (WP) | 2 |
| M3500837 | High-pressure transducer | 2 |
| 325974 | Microprocessor / MCX controller | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300003 | Half filter | 2 |
| A3300002 | Full filter | 4 |
| M3500217 | Crankcase heater | 2 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 234 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100032 | Condensing fan - AC | 2 |
| A3100366 | Evaporator fan - EC | 1 |
| M0100036A | Compressor | 2 |
| A2600001 | Filter drier | 2 |
| A2200040 | Thermostatic expansion valve (TXV) | 2 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 2 |
| A2400003 | Liquid receiver | 2 |
| M2400067 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 2 |
| A7500032 | Low-pressure switch (WP) | 2 |
| M3500837 | High-pressure transducer | 2 |
| 325974DC | MCX controller - double-circuit program | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300003 | Half filter | 2 |
| A3300002 | Full filter | 4 |
| M3500217 | Crankcase heater | 2 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 236 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100032 | Condensing fan - AC | 2 |
| A3100367 | Evaporator fan - EC | 1 |
| M0100038 | Compressor | 2 |
| A2600001 | Filter drier | 2 |
| A2200049 | Thermostatic expansion valve (TXV) | 2 |
| A7400068 | Temperature sensor | 3 |
| M0700117 | Sight glass | 2 |
| A2400003 | Liquid receiver | 2 |
| M2400068 | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001 | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 2 |
| A7500032 | Low-pressure switch (WP) | 2 |
| M3500837 | High-pressure transducer | 2 |
| 325974 | Microprocessor / MCX controller | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300002 | Full filter | 6 |
| M3500217 | Crankcase heater | 2 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
RAQ/K/WP/EC 238 - R454B
| Part number | Description | Qty per unit |
|---|
| M5100032 | Condensing fan - AC | 2 |
| A3100367 | Evaporator fan - EC | 1 |
| M0100038A | Compressor | 2 |
| A2600001A | Filter drier | 2 |
| A2200049A | Thermostatic expansion valve (TXV) | 2 |
| A7400068 | Temperature sensor | 3 |
| M0700117A | Sight glass | 2 |
| A2400003A | Liquid receiver | 2 |
| M2400068A | 4-way reversing valve | 1 |
| M2400064 | Solenoid coil for 4-way valve | 1 |
| A2700001A | Check valve | 4 |
| A7500031 | High-pressure switch (WP) | 2 |
| A7500032 | Low-pressure switch (WP) | 2 |
| M3500837 | High-pressure transducer | 2 |
| 325974DC | MCX controller - double-circuit program | 1 |
| 316829 | Main display | 1 |
| A7700007 | Fan speed regulator | 1 |
| A3300002 | Full filter | 6 |
| M3500217A | Crankcase heater | 2 |
| A7400117 | R454B gas sensor | 2 |
| A7400123 | Gas sensor cable | 2 |
4. Ordering verification checklist
| Check | Required information |
|---|
| Unit identification | Complete model number, serial number and a clear photo of the unit rating plate. |
| Part confirmation | Part number from this guide, component description and quantity required. |
| Electrical parts | For controllers, displays, fan regulators and sensors, confirm all suffixes exactly. |
| Refrigeration circuit | For dual-circuit units, confirm which circuit is affected and whether one or two components are required. |
| R454B safety parts | Gas sensors and associated cables must be matched to the R454B unit configuration. |
Parts identification disclaimer: Manufacturer part numbers can be superseded. This guide reflects the supplied R454B rooftop package-unit schedules. Final availability and supersession should be confirmed through General Air Conditioning Spare Parts before supply.
General Air Conditioning - Internal Freshdesk spare-parts reference | R454B rooftop package units | Pricing intentionally excluded