Replacement Thermostatic Sensor Cartridges


Fits 280 and 281 Series boiler protection valves.

Easy replacement to change the 280 valve set temperature without removing the valve body from the piping.

Sensor cartridge accuracy:  ±4°F
By-pass from boiler complete closing temp:  Tset + 18°F
   (example:  130˚F + 18˚F = 148˚F)



BIM model

code description weight
F29633 115°F Tset 0.2
F29634 130°F Tset 0.2
F29635 140°F Tset 0.2
F29636 160°F Tset 0.2