System Sensor 5603 135°F Fixed Temp, Single-Circuit Mechanical Heat Detector
Key features
- •S
- •y
- •s
- •t
- •e
- •m
BrandSystem Sensor
CategorySmoke Detectors & Fire Alarms
System Sensor 5603 135°F Fixed Temp, Single-Circuit Mechanical Heat Detector
List Price: $29.10$26.19DEALYou Save: $2.91 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 22, 2026In Stock (7)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
Customer Reviews
Reviews sourced from verified Amazon purchasers3.8
out of 5
Based on 2 reviews
5★
50%
4★
0%
3★
50%
2★
0%
1★
0%
sensor is most likely fine. My rating is not for the sensor
Chris DeLaPaz•September 6, 2017
sensor is most likely fine. My rating is not for the sensor. just didn't realize it was a wired variety and therefore useless to me.
Perfect.
J. Farris•September 16, 2016
Replacement for a failed unit. Perfect.
