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this switch ensures the combustion blower is generating the necessary static pressure to safely vent flue gases before the ignition sequence begins
The 5-foot capillary tube allows for flexible remote bulb placement
ZP thermostatic charge provides a critical Maximum Operating Pressure (MOP) function to prevent suction pressure spikes
Does this part include the service port cap and internal schrader core
While specifically designed for ABC D & LC burner models
Spirax-Sarco 72942 Thermostatic Trap Freon this switch ensures the combustionThe Spirax Sarco 72942 is a professional grade 1 2" RTV 125 thermostatic steam trap engineered for precise condensate management in low pressure and vacuum heating systems. Designed with a vertical pattern body, this balanced pressure steam trap utilizes a welded stainless steel thermostatic elementspecifically the BP99 thermostatwhich automatically adjusts to varying pressures. It is calibrated to discharge condensate approximately 23F (13C) below