Dayton Valve: 1/2 in Bypass Connection Size, Brass, 3,650 psi Max. Op Pressure
The DAYTON 1MDA2 is a brass unloader valve with a 1/2 in bypass connection size, rated for a maximum operating pressure of 3,650 psi and an overall height of 8 1/8 in. 3G Electric interprets customer demand and…
SKU 3G-OTH-440900
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Product Description
The DAYTON 1MDA2 is a brass unloader valve with a 1/2 in bypass connection size, rated for a maximum operating pressure of 3,650 psi and an overall height of 8 1/8 in. 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — with specialist depth in pumps and controls — ensuring you get the right part, not just a catalog listing.
Frequently Asked Questions
What is a DAYTON unloader valve used for?
A DAYTON unloader valve, such as the 1MDA2 model, is used in pressure washers and high-pressure cleaning systems to regulate pump pressure. It diverts water flow when the trigger is released, preventing pump overload and extending equipment life in industrial and commercial cleaning applications.
What are the specifications of the DAYTON 1MDA2 unloader valve?
The DAYTON 1MDA2 unloader valve is a brass type with a 1/2 in bypass connection size. It has a maximum operating pressure of 3,650 psi and an overall height of 8 1/8 in. The manufacturer part number is 1MDA2, and it is designed for high-pressure cleaning systems.
Where to buy a DAYTON 1MDA2 unloader valve worldwide?
You can source the DAYTON 1MDA2 unloader valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this brass unloader valve.
How to install a DAYTON unloader valve?
To install a DAYTON unloader valve, first depressurize the system and disconnect the inlet and bypass lines. Apply thread sealant to the 1/2 in connections, then tighten the valve securely. Adjust the pressure setting per the manufacturer's guidelines. Always test for leaks before resuming operation.
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3G Electric supplies Dayton unloader valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









