It can be installed directly on a manual flush valve without needing to shut off water
Reducing Coupling 1-3/8 x 1-1/8 Inch OD Copper Copper W 01056
It's a best-seller at the Smithsonian
The clean and simple design complements any style
Micro CD-100 Combustible Gas Detector MPN_7RBK9831 It can be installed directlyThe RIDGID Micro CD 100 Combustible Gas Detector provides simple and quick readings to identify the presence of combustible gases. With adjustable sensitivity, even low levels of gases can be detected in seconds. It ensures proper gas line installations, checks for maintenance and repair needs, and quickly pinpoints combustible gas leaks. Detects Methane, Hydrogen, Propane, Ethylene, Ethane, Hexane, Iso Butane, Benzene, Iso Butane, Ethanol,