US$ 25.99
and UDBS350 models
Using a genuine Trane replacement part like the SEN1159 maintains original equipment specs and prevents the common calibration issues associated with aftermarket thermistors
making it suitable for coil freeze-up prevention rather than furnace over-temp protection
016 orifice size ensures the exact BTU output required for propane gas pilot stabilization
Honeywell 311855 Spring and UDBS350 models8 12# Spring, Gray in Color , For Use with 8" MP953C and E Series 311855 is identical to 311855 U