105139LF Bell & Gossett Pump

Bell & Gossett 105139LF (PDB-40T) Bronze Booster Pump – 1½ HP, Inline, 1¼” × 1¼”

The Bell & Gossett (105139) PDB40T, 1 1/2HP, 3PH, BNZ Body

Overview

The Bell & Gossett 105139LF is a factory-assembled bronze booster pump (model PDB-40T) with a 1½ horsepower motor. Designed for potable water, chilled water, or boiler feed applications, this inline pump offers reliable boost performance, corrosion resistance, and long service life. Its compact, all-bronze flow path ensures compatibility with hydronic systems and meets building water standards without sacrificial protection.

Specifications

Features & Benefits

• All-bronze construction for corrosion resistance in potable and hydronic systems

• Inline design simplifies installation in tight plumbing runs

• Robust motor and pump design ensures reliable boosting capability

• Ideal for booster, circulation, or service water feed applications

• Compatible with hydronic systems and meets the requirements for Non-ferrous fluid paths

Applications

• Domestic water pressure boosting in multi-story buildings

• Condenser water make-up in HVAC systems

• Boiler feed or makeup water in hydronic loops

• Potable systems where corrosion resistance is required

Installation & Maintenance Notes

• Ensure proper alignment, plumbing support, and vibration isolation

• Priming is necessary before operation in some installations

• Inspect mechanical seals, impellers, and motor bearings periodically

• Maintain system cleanliness to avoid debris damage to bronze internals

Warranty & Quality Assurance

• Built to Bell & Gossett quality and specs for durability and performance

• Covered under standard OEM warranties when installed and used per guidelines

Related Products

• Other Bell & Gossett inline booster pumps (different HP / sizes)

• Bronze pumps for potable and hydronic use in the PDB / PLD family

• Replacement motors, mechanical seals, and repair kits