Lennox 61M35 Condensate Drain Trap

Lennox 61M35 Condensate Drain Trap

Lennox

  • $169.00


The Lennox 61M35 Condensate Drain Trap is a critical OEM replacement component engineered for high-efficiency condensing furnaces and residential HVAC units. This direct-fit assembly is designed to maintain the precise pressure balance required for safe combustion while ensuring the consistent removal of moisture from the heat exchanger. As a verified Lennox 61M35 replacement part, it addresses common service issues such as furnace condensate leaks, hair-line fractures in aged plastic traps, and pressure switch trip-outs caused by improper drainage.

This comprehensive HVAC drain trap kit replaces legacy part numbers LB-96382A and 78L32, providing a streamlined solution for system restoration. By utilizing the Lennox furnace 61M35 trap, technicians ensure a leak-free seal and optimal airflow characteristics, preventing water-related damage to the furnace vestibule and sensitive electronic controls. This genuine Lennox OEM assembly is built to withstand high-demand thermal cycling in both residential and light commercial applications.

Key Benefits for Technicians:

  • Direct OEM Compatibility: Engineered specifically for Lennox equipment to ensure factory-spec fit and finish.
  • Complete Assembly Kit: Includes necessary O-rings and rubber caps (replaces 78L3201) for a secure, airtight installation.
  • System Protection: Prevents condensate backup that leads to corrosive damage and emergency system shutdowns.
  • Updated Engineering: Serves as the current 61M35 replacement for LB-96382A, incorporating modern material durability.

Common Questions:

Does the 61M35 replace part number 78L32?
Yes, the 61M35 is the manufacturer-designated update for legacy 78L32 and LB-96382A traps. It is designed to fit the exact footprint of the original components.

What symptoms indicate a failing condensate trap?
Common indicators include water pooling at the base of the furnace, persistent pressure switch lockout codes, or visible cracks in the translucent plastic body of the trap.

Is the installation hardware included with this part?
This OEM kit typically includes the trap body, two O-rings (83L4201), rubber caps (18K0301), and a vinyl cap to ensure a professional-grade seal during service.

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.

QUESTIONS & ANSWERS

Ask a Question
  • Does this part replace Lennox part nmbr 78L3201?

    Yes it does.

  • i need only the small rubber caps for the drain. can you supply separately?

    50M18 is the Ring, Cap, & Plug for 61M35, please check here if this is what you are looking for: https://www.gsistore.com/products/50m18