Lennox 69W57 2-Stage Pressure Switch (Each) 102737-05 Must Have

The Lennox 69W57 is a two-stage pressure switch designed for HVACR systems, listed as replacement part 102737-05. It monitors pressure and actuates an electrical contact at specified set points for two-stage heating or cooling control. The unit has set points of 0.30 and 0.68 in. W.C., an adjustable differential range of 0.5 to 2.0 in. W.C., and a maximum pressure rating of 100 psi.

• Two-stage pressure switch; MPN 69W57 (model 102737-05) for Lennox HVAC systems
• Set point low 0.30 in. W.C. and set point high 0.68 in. W.C.; adjustable differential 0.5–2.0 in. W.C.
• Maximum pressure 100 psi; lightweight unit approximately 0.3 lb; sold as a single packaged unit

Product Highlights

Adjustable two-stage pressure switch (0.30/0.68 in. W.C.; 0.5–2.0 in. W.C. differential) with 100 psi max rating; OEM Lennox replacement, ~0.3 lb, package qty 1.

Product Information

Standard Information

• Brand: LENNOX
• Manufacturer Part Number: 69W57
• Country of Origin: Costa Rica

Technical Specifications

• Brand: Lennox
• MPN: 69W57
• Manufacturer Part Number: 102737-05
• Product Type: 2-stage pressure switch
• Stages: 2
• Set Point Low: 0.30 in. W.C.
• Set Point High: 0.68 in. W.C.
• Adjustable Differential Pressure Range: 0.5 to 2.0 in. W.C.
• Maximum Pressure: 100 psi
• Weight: 0.3 lb
• Dimensions: 4.3 x 4.15 x 4.15 inches
• Package Quantity: 1
• Country of Origin: Costa Rica
• Application / Compatibility: Two-stage heating and cooling systems; Lennox HVAC equipment
• Parent Description: SWITCH-PRESSURE 2STG 30/.68