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Top rated furnace replacement knobs

AI-generated summary · updated July 28, 2026 · verify details before purchase.

  1. Supco R0023 Universal Furnace Knob
    Best overall Blutoget

    Supco R0023 Universal Furnace Knob

    4.6/5 $8.77

    Durable plastic knob fits most furnace valves with 1/4-inch D-shaft. Highly rated for compatibility and ease of installation.

    • Universal fit
    • Easy to install
    • Sturdy construction
    • Not for round shafts
  2. Best metal knob

    Valworx 560547 Metal Furnace Knob

    4.5/5 $10-$15

    Heavy-duty metal construction for long-lasting use. Compatible with most 1/4-inch D-shaft gas valves.

    • All-metal durable
    • Precise fit
    • Solid feel
    • Slightly more expensive
    • Can get cold to touch
  3. Honeywell Q340A1038 Furnace Knob
    Best for Honeywell valves Enafu

    Honeywell Q340A1038 Furnace Knob

    4.7/5 $7.99 Only 19 left

    OEM replacement for Honeywell gas valves. High-quality plastic with clear markings.

    • OEM quality
    • Easy to grip
    • Clear indicator marks
    • Only fits Honeywell valves
  4. Robertshaw 700-001 Furnace Knob
    Best budget pick GEEX DEPOT

    Robertshaw 700-001 Furnace Knob

    4.4/5 $7.96

    Affordable replacement knob for many Robertshaw and competitive gas valves. Simple design works reliably.

    • Low cost
    • Widely compatible
    • Simple install
    • Less durable plastic
    • No markings
  5. White-Rodgers 37-177 Furnace Knob
    Best for White-Rodgers White-Rodgers

    White-Rodgers 37-177 Furnace Knob

    4.5/5 $153.70 Only 6 left

    OEM replacement for White-Rodgers gas valves. Offers a snug fit and easy operation.

    • Perfect fit
    • Clear labeling
    • Reasonable price
    • Limited to specific valves
  6. Best cheap multipack

    Excelon CS822K Furnace Knob

    4.3/5 $5-$7

    Pack of two universal knobs for value. Works on many standard D-shaft valves.

    • Two pack
    • Very affordable
    • Universal
    • Cheaper plastic
    • May fit loosely

Buying advice

Ensure the shaft type (D-shaft, round, etc.) and diameter match your furnace valve. Measure your existing knob or check valve model. Metal knobs last longer but plastic is sufficient for most residential furnaces.

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