(717) 822-0660 665 Laura Ct, Lewisberry PA 17339 We service what we sell
K7.2 Flow Unloader
Dieter's · Parts

K7.2 Flow Unloader

$140
In stock in Lewisberry
Pressure
3,000 PSI
Flow needed
4.2–6.6 GPM
Max temp
165°F
Ports
3/8" BSP
Model
General Pump ZK72
Brand
Dieter's
About these specsSame valve body as the K7.3 — the difference is the flow range the internals are sized for, and they take different repair kits. Needs at least 5% bypass flow to work. General Pump's product page says 3,500 PSI while their own K7 spec sheet says 3,000; we publish the lower figure. Source: General Pump K7 series
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ShippingShips from Lewisberry, PA. Will-call pickup available same day.
ServiceWe repair what we sell — burner, pump and parts work in-house.
Not sure?Call (717) 822-0660 and describe the job. We will tell you if this is the wrong machine.

What it's for

If pressure comes and goes, or the machine spikes when you release the trigger, the unloader is where to look before you look anywhere else.

Unloaders stick, the seat wears, and the spring loses tension. Do not adjust the pressure up to compensate for a failing one — that is how a cheap part becomes an expensive one.

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