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Small round HVAC control knob in light grey plastic

Appliance Factory Parts

Appliance Factory Parts LFK-SERIES-KNOB HVAC part

SKU CH-T380-FS49F

HVAC control knob compatible with 48 Marley heater models including WH44043FC and K4883FC

  • Sold asEach
  • Product typeHVAC Parts
  • Fits 48 Marley heater models for broad compatibility
  • Genuine HVAC replacement knob restores temperature control
  • Sold individually so you buy only what you need
  • New condition ensures reliable performance from installation
  • Manufacturer part number MRY4520-2024-000 confirms exact fit

Replacement knob for Marley HVAC units

This Appliance Factory Parts knob carries part number MRY4520-2024-000 and is sold individually as a new component. It is designed for HVAC systems that use the LFK-SERIES-KNOB designation.

Compatibility list of 48 Marley models

The part fits 48 Marley models including WH44043FC, K4883FC, WH44043FCNW, AWH35043D, CWH34083, AWH4508D, K4043A, AWH45083D, K4043, WH4508NW, K4083FC, WH4508FC, WH4508FCNW, AWH34083D, AWH44083D, CWH3153BNW, WH4508, K488A, WH44043NW, K488, WH44083FC, WH44083FCNW, AWH34043D, CWH35043, WH44043, K4083A, WH44083, K4083, WH45083NW, K488FC, WH45083FC, WH45083FCNW, CWH34043, AWH45043D, CWH3156BNW, WH45083, K4883A, WH44083NW, K4883, WH45043FC, WH45043FCNW, AWH35083D, AWH44043D, CWH35083, WH45043, K4843A, WH45043NW and K4843.

No additional accessories or software included

The selling unit is a single knob with no bundled hardware, documentation or digital tools. Buyers who need mounting screws, wiring adapters or a complete control assembly must source those separately.

How it compares

Measured against everything we stock in Replacement Grill & Appliance Parts, at today’s prices. Recalculated every night.

Price $38.99
Typical for this category: the median of 1,446 items is $36.99.

Specifications

Product
Brand nameAppliance Factory Parts
Part numberMRY4520-2024-000
Product typeHVAC Parts

Questions about this item

Does the LFK-SERIES-KNOB control temperature or fan speed on a Marley heater?

The LFK-SERIES-KNOB is a replacement control knob for Marley HVAC units; its exact function depends on the specific heater model it is fitted to.

What mounting style does the MRY4520-2024-000 knob use?

The knob is designed to fit the original shaft on compatible Marley heaters; no separate mounting hardware is included.

Will this knob fit my Marley WH44043FC heater?

Yes, the WH44043FC is one of the 48 Marley models listed as compatible with the LFK-SERIES-KNOB.

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