A739 Replacement Sensor for 719, 720b, 721 & 775 £45.00 In 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 Description Replacement Sensor for 719, 720b, 721 & 775 You may also like… View Product 719 Gas Sniffer £80.00 Buy Now View Product 720b Combustible Gas Leak Detector (10ppm Sensitivity) £105.00 Buy Now View Product 721 Combustible Gas Leak Detector c/w LCD with Real ppm & LEL measuring facilities £160.00 Buy Now View Product 775 Combination CO & Combustible Gas Monitor £240.00 Buy Now Related products View Product 725a Pocket Combustible Gas Leak Detector – 40ppm Sensitivity £45.00 Buy Now View Product 725L Pocket Combustible Gas Leak Detector c/w FlexiNeck- 40ppm Sensitivity £45.00 Buy Now View Product A796-KO Flue Gas Analyser Consumables Pack £29.00 Buy Now View Product 719608-Kit Tightness Test Kit (Low Cost) comprising of 719 & 608 in A901 carry case £160.00 Buy Now