Strong Compatibility: Equipped with 3 different brackets, the R502 boasts excellent compatibility and is suitable for replacing Old RV Gas Detector #20-441 & #30-442. Its screw hole spacing is also compatible with other brands.
What You Get1x R502 RV 2 in 1 CO & Propane Gas Detector, 1x Flush Mount Bracket, 1x Universal Long&Short Surface Mount Bracket, 1x Lever-nut Connector, 1x User Manual, 6x screws( 2x Mounting Screws, 4x Fixing Bracket Screws)
Warranty and Lifetime Technical Support: We are a company founded and actively managed by gas company technicians and engineers. We offer a lifetime warranty and technical support. If you experience any issues within 60 months, we will offer a replacement service