
HQ34333-002TD Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $25.00 | Condition is Used, ICP HEIL TEMPSTAR COMFORTMAKER KENMORE HQ34333002TD L300-20F LIMIT SWITCH, FREE SHIPPING | 99.4% |
![]() | $49.95 | Condition is Used, HQ34333-002TD ICP TEMPSTAR 34333002 L300-20F LIMIT SWITCH 313392 (purple) , shipping cost = $3.95 | 99.8% |



The ICP Heil Tempstar Comfortmaker Kenmore HQ34333-002TD L300-20F Limit Switch is a crucial component in ensuring the efficient and safe operation of your heating system. Manufactured by ICP, a leading name in HVAC components, this limit switch is specifically designed for use with the Comfortmaker brand of heating equipment, including models from Heil and Kenmore.
This limit switch, identified by the part number 34333002, is a critical safety device that prevents the heating system from overheating. It is designed to engage when the temperature inside the furnace reaches a predetermined level, thereby cutting off the fuel supply to the burner. This helps prevent damage to the heating system and ensures the comfort and safety of your home.
The switch is a two-pole, two-position mechanical device, which means it has two contacts that can be in one of two positions - closed or open. When the temperature reaches the preset limit, the switch trips, opening the contacts and disconnecting the power supply to the furnace.
The switch is constructed from high-quality materials, ensuring durability and long-lasting performance. It features a white porcelain housing that is resistant to corrosion and wear, making it suitable for use in harsh environments. The switch also comes with mounting hardware, making installation quick and easy.
The ICP Heil Tempstar Comfortmaker Kenmore HQ34333-002TD L300-20F Limit Switch is a must-have component for any homeowner with a Comfortmaker heating system. Its critical role in maintaining the safe and efficient operation of the heating system makes it an essential investment for those seeking peace of mind and comfort in their homes. Whether you are replacing a worn-out switch or upgrading an older system, this limit switch is the perfect choice for your heating needs.
The ICP Heil Tempstar Comfortmaker Kenmore HQ34333-002TD L300-20F limit switch 313392 is a crucial component for ensuring proper operation and safety of your heating system. This limit switch is designed for use with certain Comfortmaker, Heil, and Kenmore furnaces. Here are some pros and cons that might help you decide if purchasing this part is the right choice for you:
Pros:1. Ensures Safety: A faulty limit switch can cause safety issues, such as continued operation of the furnace even when the temperature has exceeded the set limit. Replacing a faulty limit switch with a new one can help prevent such issues.
2. Improves Comfort: A properly functioning limit switch ensures that your furnace operates efficiently and effectively, providing consistent heating to your home.
3. Long Lasting: The limit switch is a durable component, designed to last for a long time. However, like all mechanical components, it can wear out over time and may need to be replaced.
Cons:1. Cost: The cost of the limit switch may seem high for a small component. However, considering the safety and comfort implications, it is a necessary expense.
2. Installation Requirements: Installing the limit switch may require some technical expertise, as it involves working with electrical components and potentially disassembling parts of the furnace.
3. Availability: The limit switch may not be readily available at local hardware stores, and you may need to order it online or through a specialized HVAC supplier.
Conclusion:The ICP Heil Tempstar Comfortmaker Kenmore HQ34333-002TD L300-20F limit switch 313392 is an essential component for ensuring the safe and efficient operation of your heating system. While the cost and installation requirements may be inconvenient, the peace of mind and improved comfort that come with a properly functioning limit switch make it a worthwhile investment.
Recommendation:If you suspect that your furnace limit switch is faulty or has stopped working, it is recommended that you replace it as soon as possible. You can purchase the part online or through a specialized HVAC supplier, and consult the user manual or a professional technician for installation instructions. Regular maintenance of your heating system can help prevent the need for costly repairs or replacements in the future.
Details:
Icp model /mfg # guj075n12c1 / nug3075afc1. Recovered from a working furnace that was decommissioned for upgrading. Icp model # nug5075bfb2. HQ34333-002TD Icp Tempstar Comfortmaker 34333002 L300-20F limit switch 313392.
Specific furnace model's I've recovered this part from: - Icp model # gne075b12a1.
specifications centrafurn:
- brand: Icp Heil Tempstar Comfortmaker Kenmore
- mpn: Hq34333-002td
- type: Central Furnace
- control style: Switch
- color: Purple
returns centrafurn:
- policy: no returns
payments centrafurn:
- other
- wallet: google-pay
- credit card: visa
offer centrafurn:
- started: february 6, 2026
- sold #: 15
- in stock #: 2
- options: ship-to-home
- availability: in stock
- prices: $25.00–$49.95
- item condition: Used
seller centrafurn:
- # reviews: 4685
- rating: 99.6%
- city: saint louis, missouri
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
shipping centrafurn:
- transit: 5-12 days
- class: standard
- service: usps first class
- carrier: usps
- type: fixed
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