Suburban Furnace Core | 2612A / RP-16NEQ | 16K BTU | NT-16SEQ/20SEQ

Restore reliable heating to your Suburban NT Series RV furnace without the labor headache of a full furnace replacement with the Suburban 2612A (RP-16NEQ) Furnace Core. This 16,000 BTU complete furnace core is engineered as a single self-contained module — designed to drop into your existing Suburban furnace cabinet without removing the cabinet, disconnecting ductwork, or replacing components piece by piece. The smart solution when your aging furnace needs more than just one or two replacement parts but doesn't justify a full unit replacement.

Why a Furnace Core Beats Piecemeal Repairs

When a Suburban furnace has multiple failed or aging components, replacing parts individually can quickly become more expensive and time-consuming than swapping in a complete core:

• Multiple individual parts add up fast — gas valve + module board + igniter + motor + sail switch can exceed the cost of a complete core
• Multiple service calls or labor hours add up too
• Diagnostic uncertainty — if you replace one part and the issue persists, you've spent money without solving the problem
• Cumulative wear means even parts that are working may fail soon

The 2612A solves all of those by giving you essentially a complete new furnace internal assembly — without the work of removing the cabinet or reworking ductwork.

The Big Advantage — No Cabinet Removal Required

One of the most labor-intensive parts of a full RV furnace replacement is pulling the furnace cabinet out of the wall. The cabinet is mounted, sealed, ducted, and integrated into the RV's wall structure — removal often requires interior trim work, exterior access door work, and significant disassembly.

The 2612A is engineered to fit into your existing Suburban furnace cabinet, meaning:

• No cabinet removal — keeps walls and trim intact
• No ductwork modifications — connects to your existing layout
• Streamlined installation — meaningful labor savings vs full unit replacement
• Less time off the road — back to camping faster
• Lower total project cost — labor savings plus single-part purchase

Includes the Furnace Control Board

Importantly, the 2612A core includes the furnace control board — the brain that manages ignition, gas valve operation, blower control, and safety circuits. Many piecemeal repair scenarios eventually require board replacement anyway, so having it included in the core saves you from a separate purchase down the road. Combined with the new motor, igniter electrode, gas valve, and other internal components in the core, you're essentially getting a complete new furnace internal assembly.

For Suburban NT-16SEQ and NT-20SEQ Furnaces

The 2612A is specifically engineered for:

• Suburban NT-16SEQ (16,000 BTU)
• Suburban NT-20SEQ (20,000 BTU — uses the same 16K BTU core)

Verify your existing furnace model on the manufacturer label before ordering — Suburban makes multiple furnace cores, and they are NOT interchangeable across different furnace model series.

Reduces Diagnostic Errors

One often-overlooked benefit of a complete furnace core swap: it eliminates diagnostic uncertainty. With piecemeal repairs, there's always a question of which component actually caused the failure — and whether other aging components are about to fail too. Replacing the entire core wipes that uncertainty clean, giving you a known-good furnace internal assembly going forward.

Electronic Ignition Included

The 2612A includes electronic ignition — reliable, push-button-free starting without the need for a pilot light or manual lighting. Standard for modern Suburban furnaces.

Doorless Design

The 2612A features a doorless design — clean, simple, and modern. Less to fail, simpler installation, and easier service access in the future.

Paired Components Worth Considering

While the 2612A core includes the major internal components, a few maintenance items pair naturally with a furnace core replacement:

• Electrode and burner door gasket: Suburban 525011 Electrode Gasket — covers NT Series, cheap insurance against air infiltration
• Replacement motor: Suburban 521068 Furnace Motor — the matching NT-16SEQ/NT-20SEQ motor, in case yours needs replacement now or in the future

⚠️ Cabinet NOT Included

This furnace core does NOT include the cabinet assembly. The 2612A is designed as an internal core replacement that fits into your existing Suburban furnace cabinet. If your cabinet has structural damage or is missing, this is not the right product — you'd need a complete furnace assembly instead.

⚠️ Professional Installation Recommended

Furnace core installation involves propane connections, electrical wiring, ducting integration, and safety verification. Improperly installed gas furnace components are a fire and carbon monoxide safety risk. Installation should be performed by a qualified RV service technician. Always pressure-test propane connections and verify proper combustion after installation.

Key Features

• Genuine Suburban OEM furnace core replacement
• 16,000 BTU heating capacity
• For Suburban NT-16SEQ and NT-20SEQ furnaces
• Single self-contained module — complete furnace internal assembly
• NO cabinet removal required — fits existing cabinet
• Compatible with existing ductwork
• Includes the furnace control board
• Electronic ignition included
• Doorless design
• Reduces diagnostic errors from multi-part failures
• Cost-effective alternative to piecemeal part replacement
• Faster repair than full unit replacement
• Compact dimensions: 9-3/8" W × 27 to 27-3/4" D × 9-3/8" H
• Backed by a 2-year Suburban manufacturer warranty

What's Included

• (1) NT-SQ / NT-SEQ Series Furnace Core (16,000 BTU complete internal assembly with control board)

NOT Included

• Cabinet assembly
• Ductwork
• External wiring
• Mounting hardware (uses existing cabinet hardware)

Specifications

• Brand: Suburban
• Part Numbers: 2612A (also RP-16NEQ)
• UPC: 0755790712946
• Type: RV Furnace Core (Complete Internal Assembly)
• BTU Output: 16,000 BTU
• Fuel: Propane
• Ignition: Electronic
• Includes Control Board: Yes
• Design: Doorless, single self-contained module
• Compatible Furnace Models: Suburban NT-16SEQ, NT-20SEQ
• Cabinet Required: Yes (existing cabinet reused, NOT included)
• Dimensions: 9-3/8" W × 27 to 27-3/4" D × 9-3/8" H
• Warranty: Suburban 2-year manufacturer warranty