Reliance 78439-1RRefurbished


Need Help? To replace or repair your 78439-1R contact us today: nfortuin@yorkscientific.com or call Nicholas Fortuin at (212) 772-6992 ext. 710

Reliance 78439-1R In Stock

We have available in stock qty 1 of the 78439-1R original equipment by Reliance, in stock for delivery to your location. This original Reliance OEM spare is refurbished and in excellent working condition. We may have additional and new units in stock as well. To receive an online quote or obtain additional information simply click here. Qualified York technicians are standing by to assist you.


Support for your Reliance 78439-1R

Have a defective unit in need of service or repair? In addition to stocking the Reliance 78439-1R spares, we also provide Reliance services on the 78439-1R and related equipment. We offer Extended Warranty plans for your Reliance 78439-1R as well as Maintenance and Support contracts. For a Reliance warranty or support plan to fit your requirements, send an email to nfortuin@yorkscientific.com or call Nicholas Fortuin at (212) 772-6992 ext. 710


Repair + Rebuild Services for your Reliance equipment

We service and repair Reliance 78439-1R and related systems and components, including severely damaged and defective units. Our services for the Reliance 78439-1R include diagnostic evaluation, troubleshooting, component and board level repair, as well as complete rebuilding of the 78439-1R if necessary. Expedited handling of our evaluations and repairs are included as a standard service for all our clients. All our 78439-1R repairs include a 1 year warranty, covering both parts and labor.

To receive a quote to repair your defective Reliance unit(s) simply complete this online form, email nfortuin@yorkscientific.com or call Nicholas Fortuin at (212) 772-6992 ext. 710


Assistance needed with related items Reliance 78439-1R?
Some of the related motion controls products we support:
Siemens 6ES73172EK140AB0 Schneider XPSMC16Z
Telemecanique LD4LC130U Sel RS869FB8
Square-D 9050B023D Siemens 6ES73317PF110AB0
Schneider P127 Rosemount 198406070004
Te-Connectivity 7022PD Siemens 3UA66003B


We stock a large inventory of Reliance industrial automation systems and parts.
We repair, service and calibrate most Reliance models of equipment.
We ship Reliance replacement parts worldwide, with expedited shipping for your urgent Reliance requirements


For immediate assistance click here for quick online help
or contact our Automation & Controls team:

Mr. Nicholas Fortuin
Technical Sales Specialist, Industrial Automation & Controls Service Team
nfortuin@yorkscientific.com
(212) 772-6992 ext. 704


Our staff at York Scientific is dedicated to help you succeed with all your mission-critical Reliance Industrial Automation equipment needs.

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York Scientific Motion Control + Automation items: Featured for 2025 we have Siemens Brand 6ES73921AJ001AB0 in stock, original and quality replacement parts available for immediate shipment. Spare units by Boeing such as 3672401 equipment made by Boeing have been added to our featured items. As a tip, you can find the entire Boeing products line-up in our inventory by simply searching for "Boeing" in the search box. Due to increase in client demand we have now also available XPSDME1132P made by Schneider as well as the popular AZR11RT2 original spares produced by Schmersal

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York Controls features all makes and models of industrial automation systems & parts.

York Controls repairs, services and calibrates every brand and model of equipment.

York Controls ships worldwide, with expedited shipping available for all your urgent requirements.

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