Home / C-Tec ActiV Product Description C4403B Heat Detector 75 Deg Fixed Temp The C4403B is a high-quality Class B fixed 75 degree temperature heat detector offering outstanding detection performance at a very competitive price. Certified to EN54-5 by Intertek and carries the pan-European ‘CertAlarm’ mark. Wide 6-33V DC operating voltage Compatible with our ActiV C4408D diode, C4408 non-diode and C4408R relay bases. Details Model: C4403B Shipping Weight: 200g Specifications MPN C4403B Brand C-TEC Product Code C4403B Customer reviews No reviews left yet Write A Review Sort byMost RecentTop Rated Delivery & Returns Free UK Delivery over £250Returns Policy: The company operates a 14 day returns policy, products returned in an unopened / undamaged condition will be refunded. Customer Reviews C4403B: Heat Detector 75 Deg Fixed Temp Product Code C4403B Wide 6-33V DC operating voltage £22.17 £26.60 (inc. VAT) Login to add this product to your wishlist.