Oberdorfer Marine Pumps For Marine
Air Conditioning And Refrigeration

Oberdorfer Marine Pumps For Air Conditioning And  Refrigeration

Oberdorfer all bronze straight centrifugal and self priming pumps with motors with 416 stainless steel shafts for marine air conditioning and refrigeration. Designed specifically for use as raw water recirculation pumps on marine air conditioners. These pumps are widely used by major manufacturers of marine A/C units as standard
equipment on their new products.



Pump Capacity Table
Model HP Total Dynamic Head (TDH)
5 10 15 20 25 30 35 40 45 Shut-off
Gallons Per Minute (GPM)
104M-J19 1/2 23 21 19 18 16 14 11 8 6 51
109MB-J19 1/2 70 62 55 50 40 30 20 10 - 42'
300B-J19 1/2 20 17 14 12 8 4 - - - 35'

OBE-PMP-104M-Centrifugal-Bulletin.pdf
OBE-PMP-109MB-Centrifugal-Bulletin.pdf
OBE-PMP-300B-Centrifugal-Bulletin.pdf
OBE-PMP-Centrifugal-Seal-Replacement.pdf

Oberdorfer Bronze Centrifugal Pump 24 GPM 1/2 HP 104M-6 J19 (C)

Oberdorfer Bronze Centrifugal Pump 24 GPM 1/2 HP 104M-J19, Oberdorfer end suction, single phase, 115/230/1/60, close-coupled, all bronze, centrifugal, gravity flow (not self-priming), marine water pump with 416 Stainless shaft and mechanical seal. Replaces Cruiser PM1500BX and Aqua-Air AQPM-15

List: $1,075.45
Value Priced $784.00
Availability: ships the next business day
OBE-PMP-104M-06 J19-K
Oberdorfer Bronze Centrifugal Pump 70 GPM 1/2 HP # 109MB-J19 (C)

Oberdorfer Bronze Centrifugal Pump 70 GPM 1/2 HP # 109MB-J19, Oberdorfer end suction, single phase, close-coupled, all bronze, centrifugal , gravity flow (not self-priming), pump with 416 stainless steel shaft mechanical seal.Designed specifically for use as raw water recirculation pumps on marine air conditioners. Replacement for Cruisair # PM3000BX and Aqua-Air # AQPM-30

List: $1,181.18
Value Priced $861.08
Availability: ships the next business day
OBE-PMP-109MB-J19
Oberdorfer Bronze Self Priming Pump 20 GPM 1/2 HP # 300B-J19 (C)

Oberdorfer Bronze Self Priming Pump 20 GPM 1/2 HP # 300B-1-J26 with stainless shaft. Single phase, close-coupled, all bronze, centrifugal marine salt water pump. Designed for use as raw water recirculation pumps on marine air conditioners. They are used by major manufacturers of marine A/C units

List: $1,363.07
Value Priced $993.68
Availability: ships the next business day
OBE-PMP-300B J19-K
 Oberdorfer Marine Air Conditioning / Refrigeration Pumps Less Motors

Oberdorfer all bronze straight centrifugal and self priming pumps for marine air conditioning and refrigeration. Does not include motor (wet end only)

Replacement A/C Pump Selection Information
Oberdorfer Bronze Centrifugal Pump Repair Kits

Questions & Answers

What is the capacity required for marine air conditioning unit?
Based upon the total BTU output of the A/C unit. Most manufacturers select pump size (capacity) based upon the following: 4 GPM (or 240 GPH) for each 12,000 BTU ( 1 Ton A/C)
Can a restrict the discharge flow of the pump?
One centrifugal pump will often serve as the coolant pump for two, three or even four condenser units on the same boat. Restrictor valves may be used on centrifugal pumps to reduce flow to desired amount - without damage to the pump unit.
What is the mounting location of Oberdorfer non self priming pumps A/C pumps?
If pump is to be mounted below the water line and with a flooded suction port, a centrifugal pump is generally preferred. Centrifugal pumps are quiet running, require less amperage, and are less easily damaged by running dry � than are rubber impeller type pumps. However, most centrifugal pumps do not have suction lift capability (must have flooded suction to function).
What is the mounting location of Oberdorfer self priming pumps A/C pumps?
If pump is to be mounted above the water line, a self priming unit is essential, such as the 300B-1-F26 Centrifugal above, or Rubber impeller type pumps

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