Carrier 343313-75103 Drain Pan
The Carrier 343313-75103 Drain Pan is a critical OEM replacement component designed for multi-poise evaporator coils used in high-efficiency Carrier, Bryant, and Day & Night air handlers and furnaces. Engineering for versatile horizontal or vertical installation, this condensate pan is constructed from high-grade, heat-resistant composite polymer to prevent warping and ensure structural integrity under fluctuating thermal loads. It features a streamlined pitch to facilitate rapid moisture drainage, mitigating the risk of biological growth and secondary drain pan overflows. Technicians should note the primary and secondary drain ports are precision-threaded for 3/4-inch NPT connections, ensuring a leak-free interface with existing PVC condensate lines. Replacing a cracked or fouled evaporator coil drain pan with this genuine 343313-75103 factory part maintains the UL-listed fire rating of the original equipment and ensures exact dimensional fitment within the cabinet, eliminating the clearance issues common with universal aftermarket pans.
Key Benefits for Technicians:
- Dual-Orientation Compatibility: Engineered for seamless integration in both upflow, downflow, and horizontal left/right configurations.
- Durable Composite Construction: Resists corrosion and chemical degradation from acidic condensate, extending the service life of the HVAC drainage system.
- Direct OEM Fit: Ensures proper alignment with the A-coil apex, preventing bypass air and water blow-off into the ductwork.
- Integrated Overflow Protection: Features optimized geometry to direct water toward the secondary drain port if the primary line becomes obstructed.
Common Installation and Compatibility Questions:
Is the 343313-75103 compatible with older R-22 coils?
This pan is specifically designed for specific Carrier-produced N-coil and A-coil geometries. Cross-reference the serial number of the indoor unit to ensure the mounting rail dimensions align with this specific part number.
Does this pan include the drain plugs?
Standard packaging typically includes the required plastic drain plugs for the unused ports, but it is recommended to use teflon tape or a non-hardening pipe sealant on the NPT threads during condensate line attachment.
How do I prevent future cracking in this drain pan?
Ensure the furnace heat exchanger is not exceeding specified temperature limits and verify that the evaporator coil is seated correctly on the support flanges to avoid localized stress points on the composite material.
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: $244.39
-65%$244.39
$85.54Carrier 343313-75103 Drain Pan
The Carrier 343313-75103 Drain Pan is a critical OEM replacement component designed for multi-poise evaporator coils used in high-efficiency Carrier, Bryant, and Day & Night air handlers and furnaces. Engineering for versatile horizontal or vertical installation, this condensate pan is constructed from high-grade, heat-resistant composite polymer to prevent warping and ensure structural integrity under fluctuating thermal loads. It features a streamlined pitch to facilitate rapid moisture drainage, mitigating the risk of biological growth and secondary drain pan overflows. Technicians should note the primary and secondary drain ports are precision-threaded for 3/4-inch NPT connections, ensuring a leak-free interface with existing PVC condensate lines. Replacing a cracked or fouled evaporator coil drain pan with this genuine 343313-75103 factory part maintains the UL-listed fire rating of the original equipment and ensures exact dimensional fitment within the cabinet, eliminating the clearance issues common with universal aftermarket pans.
Key Benefits for Technicians:
- Dual-Orientation Compatibility: Engineered for seamless integration in both upflow, downflow, and horizontal left/right configurations.
- Durable Composite Construction: Resists corrosion and chemical degradation from acidic condensate, extending the service life of the HVAC drainage system.
- Direct OEM Fit: Ensures proper alignment with the A-coil apex, preventing bypass air and water blow-off into the ductwork.
- Integrated Overflow Protection: Features optimized geometry to direct water toward the secondary drain port if the primary line becomes obstructed.
Common Installation and Compatibility Questions:
Is the 343313-75103 compatible with older R-22 coils?
This pan is specifically designed for specific Carrier-produced N-coil and A-coil geometries. Cross-reference the serial number of the indoor unit to ensure the mounting rail dimensions align with this specific part number.
Does this pan include the drain plugs?
Standard packaging typically includes the required plastic drain plugs for the unused ports, but it is recommended to use teflon tape or a non-hardening pipe sealant on the NPT threads during condensate line attachment.
How do I prevent future cracking in this drain pan?
Ensure the furnace heat exchanger is not exceeding specified temperature limits and verify that the evaporator coil is seated correctly on the support flanges to avoid localized stress points on the composite material.
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Carrier 343313-75103 Drain Pan is a critical OEM replacement component designed for multi-poise evaporator coils used in high-efficiency Carrier, Bryant, and Day & Night air handlers and furnaces. Engineering for versatile horizontal or vertical installation, this condensate pan is constructed from high-grade, heat-resistant composite polymer to prevent warping and ensure structural integrity under fluctuating thermal loads. It features a streamlined pitch to facilitate rapid moisture drainage, mitigating the risk of biological growth and secondary drain pan overflows. Technicians should note the primary and secondary drain ports are precision-threaded for 3/4-inch NPT connections, ensuring a leak-free interface with existing PVC condensate lines. Replacing a cracked or fouled evaporator coil drain pan with this genuine 343313-75103 factory part maintains the UL-listed fire rating of the original equipment and ensures exact dimensional fitment within the cabinet, eliminating the clearance issues common with universal aftermarket pans.
Key Benefits for Technicians:
- Dual-Orientation Compatibility: Engineered for seamless integration in both upflow, downflow, and horizontal left/right configurations.
- Durable Composite Construction: Resists corrosion and chemical degradation from acidic condensate, extending the service life of the HVAC drainage system.
- Direct OEM Fit: Ensures proper alignment with the A-coil apex, preventing bypass air and water blow-off into the ductwork.
- Integrated Overflow Protection: Features optimized geometry to direct water toward the secondary drain port if the primary line becomes obstructed.
Common Installation and Compatibility Questions:
Is the 343313-75103 compatible with older R-22 coils?
This pan is specifically designed for specific Carrier-produced N-coil and A-coil geometries. Cross-reference the serial number of the indoor unit to ensure the mounting rail dimensions align with this specific part number.
Does this pan include the drain plugs?
Standard packaging typically includes the required plastic drain plugs for the unused ports, but it is recommended to use teflon tape or a non-hardening pipe sealant on the NPT threads during condensate line attachment.
How do I prevent future cracking in this drain pan?
Ensure the furnace heat exchanger is not exceeding specified temperature limits and verify that the evaporator coil is seated correctly on the support flanges to avoid localized stress points on the composite material.
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.
