ETI400 Stack Flue Sensor Replacement

The ETI400 Stack Flue Sensor Replacement is a vital component designed for heaters equipped with two Stack Flue sensors, one for each heat exchanger. These sensors play a crucial role in monitoring the stack flue temperature and ensuring the safety and efficiency of your heating system.

• Temperature Monitoring: Actively monitors the stack flue temperature to maintain optimal performance.
• Safety Feature: Automatically shuts down the heater if the stack flue temperature exceeds 170° F (77° C), preventing potential damage and hazards.
• Compatibility: Designed for Pentair ETI400 heaters.
• Reliable Performance: Engineered to provide accurate temperature readings and responsive control.

Invest in the ETI400 Stack Flue Sensor Replacement to enhance the safety and efficiency of your heating system.  Ensure the longevity and optimal performance of your heating system with this reliable sensor replacement.

ETi 400 & ETi 250 Family Brochure - English
ETi 400 & ETi 250 Family Brochure - Spanish
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ETi 400 High Efficiency Gas Heater Owners Manual - Spanish
ETi 400 High Efficiency Gas Heater Owners Manual - French
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SKU: 475601

Hours Of Operation: 

Monday - Friday: 8:00 am to 4:00 pm Phoenix Time

Saturday and Sunday: Closed

• Orders costing more than  $300 WILL be required to have signature confirmation upon delivery.
• Handling time is typically only 1 day.   
• Any item ordered after 1pm Phoenix time, may not ship same-day.
• Call us if you require expedited shipping and we can give you quotes based on your needs.

Return Policy:

• All products, except as noted below, are eligible for return up to 30 days after receipt of item.
• For returns, an RMA form must be filled out HERE or customers can call for additional help.
• Shipping costs will be deducted from all returned items.
• Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in. 
• Items broken, damaged, or inoperable due to installer error will not be refunded.
• Fill out the return form or give us a call to obtain an RMA and return shipping label.
• There are no returns on the Pentair Colorsync 618031
• No returns on pool cleaners.
• No returns on opened seals and o-rings.
• No returns on capacitors.
• If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
• All products denied upon arrival at customers house WILL be charged the cost to ship.
• Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.