will this replace the Mod# ND3933 Thermocouple?

i can't say for sure, but i took my old part out of the fireplace and compared it to the image online- they matched up perfectly- not hi-tech, but it worked for me

Will this replace dt-500cmn

Maybe. If your pilot flame spreader looks like a three way water slide (made by PSE for Honeywell) then yes. If you flame spreader looks like a round space ship, no.

Will this work for a Regency P36D?

I dont know! I used it for my Dovre 400 stove and it was a perfect fit!

How long is the probe - not the entire thermocoupler.

Probe is approximately 3" long.

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Heat N Glo Thermocouple For Heat And Glo And Hearth & Home Fire Places

Heat N Glo Thermocouple For Heat And Glo And Hearth & Home Fire Places

Product ID: 8991113

Details

Brand
Fixitshop
Item Weight
1.45 ounces
Item dimensions L x W x H
5.24 x 3.78 x
Material
Metal
Style
Contemporary

⚡Reliable electrical signal output

🔥Critical safety sensor

🛠️OEM-grade durable metal build

19535CFA

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Description

🔥 Keep your fire burning strong — safety and reliability in every spark!

TRUSTED BY THOUSANDS - Rated 4.4 stars by over 900 users who rely on consistent fireplace operation and safety.
COMPACT LIGHTWEIGHT - Slim 5.24 x 3.78 x 0.55 inch design weighing just 1.45 ounces for easy installation without bulk.
OEM QUALITY ASSURANCE - Original Equipment Manufacturer part guarantees perfect fit and performance for Hearth & Home and Quadra-Fire models.
SEAMLESS COMPATIBILITY - Designed to replace RS (Robert Shaw) thermocouples across multiple stove and fireplace models effortlessly.
PRECISION SAFETY MONITORING - Ensures your fireplace stays lit and safe with real-time temperature sensing.

The Heat N Glo Thermocouple (model 446-511) is a high-quality OEM replacement part designed for Hearth & Home and Quadra-Fire gas fireplaces and stoves. It acts as a critical safety device by monitoring flame temperature and signaling the stove to maintain fuel flow, preventing premature shutdowns. Compact and durable, this metal thermocouple ensures seamless compatibility and reliable performance, backed by strong customer satisfaction.

Specifications

ASIN	B004G8GRF4
Best Sellers Rank	#653,462 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #58 in Fireplace Fans #188 in Fireplace Replacement Parts
Brand Name	Fixitshop
Customer Reviews	4.4 4.4 out of 5 stars (915)
Item Dimensions	5.24 x 3.78 x 0.55 inches
Item Weight	1.45 ounces
Manufacturer	HHT
Material Type	Metal
Model	446-511
Number of Items	1
Output Type	electrical signal
Part Number	446-511
Specific Uses For Product	Indoor
Style Name	Contemporary
UPC	652174329526
Unit Count	1 Count

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19535CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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