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Caleffi F29634 Replacement Thermostatic Sensor Cartridge, 130F Tset

$ 16.90

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 temperature: Tset +18°F (130°+18°=148°F).

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