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Marley, Qmark, BerkoGenuine OEM Part

Marley Knob 42521-032-11 Qmark, Berko Parts

Part # 42521-032-11
Knob

Northern White (bright white) replacement knob for single-pole thermostats on Marley, Qmark and Berko electric baseboard heaters.

$11.00

Usually ships in 1-2 weeks, contact us to confirm lead time

Available on backorder

Genuine OEMFactory original part
Same-Day ShippingIn-stock orders by 4 PM Central
90-Day ReturnsSee return policy
Expert Support800-654-3545Mon–Fri, 8 AM–5 PM Central

SKU: Y42521-032-11 Categories: Marley, Marley Qmark Berko Heater Parts, Knobs

Will This Part Fit?

Match the part number 42521-032-11 to the part in your heater, or send us your model number and we’ll confirm it fits before you order.

Need help finding your model number? Not sure? Call 800-654-3545 or email [email protected].

Product Details

Part Number	42521-032-11
Brand	Marley, Qmark, Berko
Part Type	Knob
Manufacturer Description	KNOB TA1ANW SINGLE POLE (NW) NORTHERN WHITE (BRIGHT-WHITE)
Condition	New — Genuine OEM
Thermostat Type	Single pole
Color	Northern White (bright white)
Includes	Knob only
Availability	Backorder — call for an estimated ship date
Returns	90 days on new, unused items
SKU	Y42521-032-11

Not sure this is the right part?Our parts experts will check it against your model number.800-654-3545 · [email protected]Mon–Fri, 8 AM–5 PM Central

About the Marley 42521-032-11

The 42521-032-11 is a replacement thermostat knob for Marley, Qmark and Berko electric baseboard heaters.

We list this knob for single-pole thermostats in the Northern White (bright white) finish.

The knob is sold by itself; no thermostat or heater is included.Not sure it fits? Call us with your model number and we will confirm before you order.

Installation Tips

Turn off power to the heater at the circuit breaker before working on the thermostat.

Why Buy From Carroll Parts?

Helping Fix Things Since 1938Over 85 years of parts expertise
Same-Day ShippingIn-stock orders placed by 4 PM Central ship the same business day
90-Day Return PolicyBuy with confidence
Real Parts Experts800-654-3545 · Mon–Fri, 8 AM–5 PM Central

Frequently Asked Questions

Is this knob for a single-pole or double-pole thermostat?

We list it for single-pole thermostats.

Does it come with the thermostat?

No. This is the replacement knob only.

Is the Marley 42521-032-11 a genuine OEM part?

Yes. This is a genuine Marley factory replacement part, not an aftermarket copy.

When will my order ship?

This part is currently on backorder. Call us at 800-654-3545 for an estimated ship date.

What is your return policy?

Items must be new and unused. You can return them within 90 days. Please read our return policy before sending anything back. Questions about a return? Call 800-654-3545 or email [email protected], Mon–Fri, 8 AM–5 PM Central.