Weil-McLain Heating Parts 383700379

Grundfos ALPHA15-58F

Bell & Gossett B51-1

• Flexible spring noise dampening coupler adds to quiet operation
• Long bronze sleeve bearings maintain shaft alignment & longer life
• Precision ground pump shaft, oversized to provide large bearing surfaces ensuring long seal and bearing life
• CentrifuGallon impeller prevents air build-up at seal faces to assure long life
• Close tolerances minimize water seepage and maximum efficiency
• 3-part pump assembly and 2-part motor bracket make servicing system quick and easy
• 3-piece design
• Carbon on ceramic mechanical seal
• Heat treated carbon steel shaft
• Carbon steel shaft

Bell & Gossett B51-4

• Exclusive ACB anti-condensate baffle with ambient air flow-protects motor windings against condensate buildup
• High velocity performance and compact design
• Quiet, efficient operation
• Direct drive, low power consumption
• Unique replaceable cartridge design-field serviceable
• Self lubricating, no mechanical seal
• No mechanical seal
• Unmatched reliability, maintenance free
• Universal flange to flange dimensions and orientation allows the 0011 to easily replace other models
• Unique replaceable cartridge contains all of the moving parts and allows for easy service instead of replacing the entire circulator
• Compact, low power consumption design makes it ideal for high-efficiency jobs
• For indoor use only

Taco B53-29

Bell & Gossett NRF-36

• The pumps shall be of the horizontal, permanently lubricated type, specifically designed and guaranteed for quiet operation
• The pumps shall have a steel shaft supported by permanently lubricated, sealed precision ball bearings
• The pumps are to be equipped with a watertight seal to prevent leakage
• Mechanical seal faces to be carbon on silicon carbide
• The motor shall be non-overloading at any point on the pump performance curve
• The motor shall be of the drip-proof, sealed precision ball bearing, quiet operating construction
• The permanent split-capacitor motor shall be equipped with thermal overload protection
• The series PL features a maintenance-free system, with a self-cleaning particle shield protects the shaft and bearings from system start-up debris
• Easily handles dirty water conditions
• 25% more efficient than competition
• Close coupled dry motor

Bell & Gossett PL45B

Bell & Gossett PL-30B

• The pumps shall be of the horizontal, permanently lubricated type, specifically designed and guaranteed for quiet operation
• The pumps shall have a steel shaft supported by permanently lubricated, sealed precision ball bearings
• The pumps are to be equipped with a water-tight seal to prevent leakage
• Mechanical seal faces to be carbon on silicon carbide
• The motor shall be non-overloading at any point on the pump performance curve
• The motor shall be of the drip-proof, sealed precision ball bearing, quiet operating construction
• The permanent split-capacitor motor shall be equipped with thermal overload protection
• The series PL features a maintenance-free system, with a self-cleaning particle shield protects the shaft and bearings from system start-up debris
• Easily handles dirty water conditions
• 25% more efficient than competition
• Close coupled dry motor

Bell & Gossett PL-36