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One Pump, Three Freeze Dryers

11 Mar, 2024

Is it possible to run more than one Harvest Right freeze dryer with only ONE pump? The answer is, YES!  We have done it with three freeze dryers and one pump! 

In this video we show you the pump controller that is required, and the plumbing parts required to accomplish the task. We also have provided a list of the items you will need below instructional video.

The parts needed for this system are listed below. Most all of the parts are available at Amazon.com (except where noted).

Electrical Parts

Product Photo Item Name EpicenterBryan's Notes
N/A Iot RELAY — Enclosed High Power Relay

NOTE: Or, call TheEpicenter.com to order this item for shipment to you from our inventory.
One (1) needed
N/A 12VDC POWER SUPPLY with Connector

NOTE: Or, call TheEpicenter.com to order this item for shipment to you from our inventory.
One (1) needed
AC Power Control Relay AC POWER CONTROL RELAY

NOTE: Not available at Amazon. Call TheEpicenter.com to order this item for shipment to you from our inventory.
One (1) needed for each freeze dryer
N/A SILICONE 2-WIRE 20awg (50 ft) One (1) needed between each relay

Plumbing Parts

Product Photo Item Name EpicenterBryan's Notes
N/A 3/4" JIC to KF25 ADAPTER Required if using a pump with a KF25 vacuum fitting

Vacuum Shut Off Valve Parts

Product Photo Item Name EpicenterBryan's Notes
N/A BALL VALVE One (1) needed for each freeze dryer
N/A 3/4" NPT MALE x 3/4" JIC FEMALE One (1) needed for each freeze dryer
N/A 3/4" NPT MALE x 3/4" JIC MALE One (1) needed for each freeze dryer
N/A 3/4" JIC SWIVEL NUT BRANCH TEE One (1) needed
N/A 3/4" JIC SWIVEL NUT RUN TEE One (1) needed if using THREE freeze dryers
N/A 3/4" JIC FLARE COPPER GASKET Several needed. Link is for a Pack of 10.

Parts to "Turn the Corner" around a Freeze Dryer

Product Photo Item Name EpicenterBryan's Notes
N/A MALE JIC x 3/4" FEMALE JIC SWIVEL90 DEGREE One (1) needed
N/A MALE JIC x 3/4" MALE to MALE 90 DEGREE One (1) needed
N/A 3/4" JIC FEMALE to FEMALE One (1) needed

To Connect Two Hoses Together

Product Photo Item Name EpicenterBryan's Notes
N/A 3/4" JIC MALE to JIC MALE One (1) needed

FrozenRight.com "Cable Cooler"

Product Photo Item Name EpicenterBryan's Notes
Cable Cooler (FrozenRight.com) CABLE COOLER
Single Channel or Dual Channel


NOTE: Order direct from FrozenRight.com
Tell them EpicenterBryan sent you!

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