These type were quite common when natural gas lines were first run to households in Houston: Dearborn gas heater example just like the one I had: https://exte

These type were quite common when natural gas lines were first run to households in Houston: Dearborn gas heater example just like the one I had: https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Ftse4.mm.bing.net%2Fth%3Fid%3DOIP.EgFFCDJ2j-5VsyUPTk2n4QHaFj%26pid%3DApi&f=1 https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2F... In The Heights many original homes have a smaller version(s) built into the wall, sometimes a tiny one right there above the bathtub. After converting to showers sometimes it's right in your face while standing. Without a full set of built-ins, there were natural gas petcocks in each major room for portables or relocatables like Dearborns.