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ideal for furnace heat exchanger and airflow sensing
ensuring a drop-in installation without the need for mounting modifications or field-rigged wiring adjustments
technical specifications should be verified to ensure hole patterns and load bearing capabilities are aligned
reducing carbon buildup and soot
ensuring functionality regardless of power status
Watts 0061935 Preventer Els PW 17895 ideal for furnace heat exchangerThe Watts 0061935 is a professional grade 1 2 inch dual check valve backflow preventer engineered specifically for continuous pressure, non health hazard applications. Often cross referenced as the Watts 9D M3 or Watts 9DM3 1 2, this unit is identical in fit and function to the legacy 9D 1 2 model. It features a high durability forged brass body and an intermediate atmospheric vent that provides a visible signal by discharging water if the downstream
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