A739 Replacement Sensor for 719, 720b, 721 & 775£45.00In stock A739 Replacement Sensor for 719, 720b, 721 & 775 quantity Add to basket SKU: A739 Category: Combustible Gas Leak Detectors Tags: 719, 720b, 721, 775, detection, gas, replacement, sensor Description DescriptionReplacement Sensor for 719, 720b, 721 & 775You may also like… View Product720b Combustible Gas Leak Detector (10ppm Sensitivity) £99.00 View Product775 Combination CO & Combustible Gas Monitor £220.00 View Product719 Gas Sniffer £75.00 View Product721 Combustible Gas Leak Detector c/w LCD with Real ppm & LEL measuring facilities £150.00Related products View ProductSP620725L Smart Tightness Test Kit £125.00 View Product725L608-Kit Tightness Test Kit (Ultra Low Cost) comprising of 725L & 608 in A900 carry case £115.00 View Product716-Leak Plug-in Gas Sniffer £52.50 View Product725L Pocket Combustible Gas Leak Detector c/w FlexiNeck- 40ppm Sensitivity £40.00