HIGH ALTITUDE PRESSURE SWITCH

HIGH ALTITUDE PRESSURE SWITCH, FOR USE WITH NATRUAL OR LP GAS, .41" WC PF, IN MFG BOX, MADE IN USA, FOR USE WITH: *UD-C-K0 AND LATER; *DD-C-F0 AND LATER; *UD-R-K0 AND LATER; *DD-R-F0 AND LATER; *UE-A-L0 AND LATER; *DE-A-M0 AND LATER; CUB-A-C0 AND LATER; CDB-A-D0 AND LATER PRODUCT LINES.