Grundfos ALPHA1 15-55 F Cast Iron High-Efficiency Circulator Pump, 1/16 The ALPHA1 is an energy efficient, variable-speed circulator built with reliable, electronically controlled Grundfos permanent magnet motor (ECM) technology, which has been used by Grundfos in the industry for more than 16 years. Featuring three-constant pressure control modes, an LED display and easy-to-use push butTon controls, the ALPHA1 is the perfect solution for domestic hydronic heating and hot water recirculation applications. Capable of replacing more than 30 other pump models, the ALPHA1 has the highest torque rating and most powerful start feature in its class. A magnetite resistant design, robust ceramic shaft and stainless steel bearing plate ensure that the ALPHA1 reliably delivers the optimal system flow at the lowest possible energy consumption.,
,

Grundfos ALPHA1 15-55F

Grundfos ALPHA15-58F Circulator Pump 1/20 HP 120 VAC Cast Iron

Grundfos ALPHA15-58F

Grundfos 519604 Cast Iron Flange Set, 1-1/2" FNPT

Sid Harvey Item #:B53-131: Replaces Part #:'s : B63-13 | B63-3 |,
,

Grundfos B53-131

Grundfos 519603 Circulator Pump Flange Adapter Set, 1-1/4" NPT, Cast Iron

Sid Harvey Item #:B53-130: Replaces Part #:'s : B63-12 | B63-2 |,
,

Grundfos B53-130

Grundfos 519601 Cast Iron Flange Set, 3/4" FNPT

Sid Harvey Item #:B53-128: Replaces Part #:'s : 5W626,
,

Grundfos B53-128

Grundfos 519602 Cast Iron Flange Set, 1" FNPT

Sid Harvey Item #:B53-129: Replaces Part #:'s : B63-1 | B63-11 |,

,

Grundfos B53-129

Grundfos UP15-29SU Circulator Pump 120 VAC 1 Speed Stainless Steel

Grundfos UP15-29SU