Armstrong International 15B4 Trap Els PW 17895 The integrated shunt provides a

The integrated shunt provides a continuous electrical path for the neutral or secondary line

this rollout switch replacement monitors the burner vestibule for excessive heat caused by compromised heat exchangers or flue blockages

two-minute swap

100 filters

While physically possible in some cabinets

Armstrong International 15B4 Trap Els PW 17895 The integrated shunt provides aThe Armstrong International 15B4 Trap is a high performance Series B Cast Iron Float & Thermostatic Steam Trap engineered for heavy duty industrial and commercial heating applications. Designed with a 1" NPT Standard Connection and a 5 16" orifice, this unit excels in managing high condensate loads while maintaining a maximum operating pressure of 15 PSI. Featuring an integrated thermostatic air vent, the 15B4 ensures rapid air removal for quick