Lochinvar TST3403 Flue Temp Sensor Kit (1 Pack)

Product Description

Lochinvar TST3403 is a flue temperature sensor kit used to monitor flue conditions on Lochinvar Knight boiler systems. The electronic sensor kit functions as a replacement flue sensor and provides temperature sensing for compatible boilers and water heaters, including Knight XL and multiple AW, KB, KBN, KBL, SNA, SNR, and XP series models. Provided as a single kit containing the flue temperature sensor assembly, it is intended for flue temperature monitoring in heating and commercial pool package systems.

• Electronic flue temperature sensor kit (MPN TST3403) for monitoring flue conditions
• Designed for Lochinvar Knight boilers and compatible with many Lochinvar/A.O. Smith models, including Knight XL KB 399–800
• Provided as a single sensor kit suitable for boiler and commercial pool package flue temperature monitoring

Product Highlights

Replacement flue temperature sensor kit for Lochinvar Knight boilers; MPN TST3403; electronic flue monitoring.

Product Information

Standard Information

• Brand: LOCHINVAR
• Manufacturer Part Number: TST3403
• Country of Origin: United States

Technical Specifications

• Brand: Lochinvar
• Manufacturer: Lochinvar
• Manufacturer Part Number: TST3403
• Alternate Part Number: 100170652
• Alternate Part Number (LOC variant): TST3403 LOC
• Product Type: Electronic sensor
• Item Name: Flue Temp Sensor Kit
• UPC: 703765162821
• GTIN / EAN: 0703765162821
• Product Group: Home Improvement
• Category: Temperature Probes & Sensors
• Intended For: Knight boiler systems
• Compatible Brands: Lochinvar, A.O. Smith
• Compatible Models: Fits numerous Lochinvar models including Knight XL KB 399 to 800 and many AWL/AWN, KBL, KBN, KB, SNA, SNR, XLPL, XLPN, XPL, XPN, SB and XP series models (see manufacturer model lists for specifics)
• Suitable For Use With: Knight XL Model KB 399 to 800 heating boiler; Sync/Aquas XP 1002–1502 commercial pool package (per product listings)
• Item Weight: 4.0 lb (1814 g)
• Number of Items: 1
• Product Description: Flue sensor used for monitoring flue conditions; replacement flue temperature sensor kit for Lochinvar equipment
• Applications: Flue temperature monitoring for boilers and commercial pool package systems