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Integrating this OEM HVAC pressure switch ensures field compatibility without the need for mounting modifications or bracket fabrication
When swapping out an old L4008E1305 equivalent or servicing a Teledyne Laars unit
Cast Iron Durability: Robust construction resists wear and provides superior thermal dissipation for long-term industrial service
Common Questions: What causes a Trane CNT3719 to trip
and certain Grainger or Kenmore branded air cleaners
Resideo AT72D1089 Transformer R-448A Integrating this OEM HVAC pressureThe Resideo AT72D1089 Transformer is a professional grade solution for technicians requiring a reliable 120V to 24V step down for HVAC control circuits. Engineered with a 40VA power rating, this unit is built to manage the electrical load of 24VAC thermostats, gas valves, and multi zone relays. The hardware features a 4"x4" plate mount design and a NEMA Type D enclosure, ensuring compliance with NEC Class 2 (not wet) and Class 3 (wet) requirements.
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