
Modine 3H0342790003 Rear Casing
When you're out in the field on a commercial or industrial job, you know that keeping a unit's structural integrity intact is key to performance and safety. The Modine 3H0342790003 Rear Casing is the specified OEM replacement part for maintaining the structural housing of Modine unit heaters. This heavy-duty heater cabinet component is engineered to withstand the thermal stress and high-operating temperatures typical of gas-fired and hydronic systems. Whether you are performing a furnace repair or a complete unit overhaul, this Modine unit heater part ensures that internal components—from the heat exchanger to the blower assembly—stay aligned and protected from environmental debris.
Precision-fit for seamless installation, this casing eliminates the vibration and airflow leaks common with third-party or damaged alternatives. Using genuine Modine replacement parts is the only way to ensure the unit maintains its factory-specified clearances and airflow patterns. For veteran contractors, this part is a staple for restoring commercial HVAC units to peak efficiency without the headache of field-modifying universal HVAC unit casings.
- OEM Compatibility: Precision-manufactured to fit specified Modine units and maintain factory performance levels.
- Thermal Durability: Engineered with industrial-grade materials to handle constant thermal cycling without warping.
- Enhanced Safety: Secures internal heating elements and electrical connections within a rigid, protective enclosure.
- Vibration Reduction: Accurate mounting points help minimize mechanical noise and prevent component wear over time.
- Simplified Service: Direct-fit design reduces time spent on-site during critical maintenance or repair windows.
Is this casing compatible with all Modine gas unit heaters?
No, this part is model-specific. Always verify your heater’s model and serial number against the factory parts list to ensure the 3H0342790003 is the correct fit for your specific chassis size.
Does the rear casing include the assembly screws?
Usually, these are sold as the casing panel only. It is recommended to retain your existing hardware or source high-temperature resistant sheet metal screws for the installation.
Can this be used for both power-vented and gravity-vented units?
Compatibility depends on the cabinet frame size rather than the venting method. Ensure your specific unit's frame matches the dimensions for the 3H0342790003 specification.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $472.01
-65%$472.01
$165.20Modine 3H0342790003 Rear Casing
When you're out in the field on a commercial or industrial job, you know that keeping a unit's structural integrity intact is key to performance and safety. The Modine 3H0342790003 Rear Casing is the specified OEM replacement part for maintaining the structural housing of Modine unit heaters. This heavy-duty heater cabinet component is engineered to withstand the thermal stress and high-operating temperatures typical of gas-fired and hydronic systems. Whether you are performing a furnace repair or a complete unit overhaul, this Modine unit heater part ensures that internal components—from the heat exchanger to the blower assembly—stay aligned and protected from environmental debris.
Precision-fit for seamless installation, this casing eliminates the vibration and airflow leaks common with third-party or damaged alternatives. Using genuine Modine replacement parts is the only way to ensure the unit maintains its factory-specified clearances and airflow patterns. For veteran contractors, this part is a staple for restoring commercial HVAC units to peak efficiency without the headache of field-modifying universal HVAC unit casings.
- OEM Compatibility: Precision-manufactured to fit specified Modine units and maintain factory performance levels.
- Thermal Durability: Engineered with industrial-grade materials to handle constant thermal cycling without warping.
- Enhanced Safety: Secures internal heating elements and electrical connections within a rigid, protective enclosure.
- Vibration Reduction: Accurate mounting points help minimize mechanical noise and prevent component wear over time.
- Simplified Service: Direct-fit design reduces time spent on-site during critical maintenance or repair windows.
Is this casing compatible with all Modine gas unit heaters?
No, this part is model-specific. Always verify your heater’s model and serial number against the factory parts list to ensure the 3H0342790003 is the correct fit for your specific chassis size.
Does the rear casing include the assembly screws?
Usually, these are sold as the casing panel only. It is recommended to retain your existing hardware or source high-temperature resistant sheet metal screws for the installation.
Can this be used for both power-vented and gravity-vented units?
Compatibility depends on the cabinet frame size rather than the venting method. Ensure your specific unit's frame matches the dimensions for the 3H0342790003 specification.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
When you're out in the field on a commercial or industrial job, you know that keeping a unit's structural integrity intact is key to performance and safety. The Modine 3H0342790003 Rear Casing is the specified OEM replacement part for maintaining the structural housing of Modine unit heaters. This heavy-duty heater cabinet component is engineered to withstand the thermal stress and high-operating temperatures typical of gas-fired and hydronic systems. Whether you are performing a furnace repair or a complete unit overhaul, this Modine unit heater part ensures that internal components—from the heat exchanger to the blower assembly—stay aligned and protected from environmental debris.
Precision-fit for seamless installation, this casing eliminates the vibration and airflow leaks common with third-party or damaged alternatives. Using genuine Modine replacement parts is the only way to ensure the unit maintains its factory-specified clearances and airflow patterns. For veteran contractors, this part is a staple for restoring commercial HVAC units to peak efficiency without the headache of field-modifying universal HVAC unit casings.
- OEM Compatibility: Precision-manufactured to fit specified Modine units and maintain factory performance levels.
- Thermal Durability: Engineered with industrial-grade materials to handle constant thermal cycling without warping.
- Enhanced Safety: Secures internal heating elements and electrical connections within a rigid, protective enclosure.
- Vibration Reduction: Accurate mounting points help minimize mechanical noise and prevent component wear over time.
- Simplified Service: Direct-fit design reduces time spent on-site during critical maintenance or repair windows.
Is this casing compatible with all Modine gas unit heaters?
No, this part is model-specific. Always verify your heater’s model and serial number against the factory parts list to ensure the 3H0342790003 is the correct fit for your specific chassis size.
Does the rear casing include the assembly screws?
Usually, these are sold as the casing panel only. It is recommended to retain your existing hardware or source high-temperature resistant sheet metal screws for the installation.
Can this be used for both power-vented and gravity-vented units?
Compatibility depends on the cabinet frame size rather than the venting method. Ensure your specific unit's frame matches the dimensions for the 3H0342790003 specification.
This item is not eligible for free shipping.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












