This photocell is specifically designed for heaters equipped with a hot surface ignitor (glow plug). Its high-quality construction ensures reliable ignition and improved performance, making it an essential component for maintaining optimal heating efficiency in your space heater. This photocell is for use with heaters with hot surface igniters (glow plugs). Unless you are using a DESA upper heater, this heater comes with a plastic handle and a shroud that covers the fuel tank. Including Reddy, Remington, Master, Knipco, Dayton, John Deere, and others..Models Include: B110A, B110B, B110BT, B110C, B110CT, B110D, B110DT, B115C, B115CT, B115D, B115DT, B115T, B150H, B150J, B150JT, B155C, B155CT, B155D, B155DT, B155T, B165AT, B165C, B165CT, B165D, B165DT, B200AT, B200BT, B50H, B55B, B55BT, B55C, B55CT, B55T, B60, B70D, B70DT, B70E, B70ET, K155, PK110, PK115, PK115T, PK155, PK155T, PK165, PK165T, PK200, PK200T, PK40, PK40T, PK55, PK55T, PK60, PK60T, PK70, PK70T, R110A, R110B, R110BT, R110C, R110CT, R110D, R110DT, R115, R115C, R115CT, R115D, R115DT, R150E, R155A, R155B, R155C, R155CT, R155D, R155DT, R165A, R165AT, R165C, R165CT, R165D, R165DT, R200A, R200B, R200BT, R35D, R35E, R40, R40T, R50, R50T, R55A, R55B, R55BT, R55C, R55CT, R60, R60A, R60AT, R60T, R70D, R70DT, R70E, R70ET, REM110A,REM110DT, REM115, REM115C, REM115CT, REM115D, REM115DT, REM115T, REM150D, REM150E, REM155A, REM155B, REM155C, REM155CT, REM155D, REM155DT, REM165C, REM165CT....