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Type RA 116A primary control (C) Daniel Friedman AudelStack Relay Switch / ProtectoRelay Replacement
Cross Reference Chart for Replacing an RA116A, RA117A, RA817 Stack Relay Switch

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Stack relay switch replacement cross reference guide for oil fired heating equipment:

How to find a suitable replacement for a Honeywell RA116A stack relay or model RA117A or RA817A protectorelay safety control for oil fired heating equipment.

In this article series we explain how to inspect, test, reset, or clean the stack relay switch used as a flame detection/safety device for primary control on oil fired heating systems (boilers and furnaces).



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Cross Reference, Replacement & Substitution Chart for Stack Switches and ProtectoRelay's

Oil burner stack relay schematic (C) Carson Dunlop Associates

If you need to replace a stack relay switch and cannot find the same brand and model control, there are often several controls that can do the job. Your heating supplier can make sure you choose the proper safety control replacement, but here are some examples of cross referencing.

Honeywell's Protectorelay® and other stack relay switch installation instructions include a table of cross-references showing which Honey controls (or Penn Controls (Pen 664, Penn670, Penn 680)) should be used to perform the equivalent functions as controls made by other stack relay manufacturers including the following, courtesy of Honeywell Corporation[6]

Question: stack relay replacements

Can the stack relay on an old boiler be replaced by a newer protector relay? - Pancho, 2011/02/15

Reply:

Yes. The replacement involves installing a properly located bracket to mount the cad cell sensor inside the burner tube where it can see the flame, wiring from the sensor to the protector relay or cad cell sensor control, and wiring that control to the burner motor.

Question: Where to Buy Replacements for the Honeywell RA116A / RA117A ProtectoRelay control - RA116A23K-10 substitute control

2016/11/06 JRyck said:

I have a RA116A23K-10 on my heater right now and it is acting up. I have found a RA116A-R20-R for sale. Can I change it out with it.

Reply:

According to Sid Harvey, the R20R is a remanufactured control intended to replace the original RA116A stack relay.
http://orders.sidharvey.com/

I think the Honeywell RA116A-R20-R is simply a designation that you've found a re-built RA116A control - that ought to work. I give contact info for Honeywell - you can also call them to double check.

At customer.honeywell.com there are 65 versions of RA116 relays listed; the company says the RA116A23 series is obsolete and no longer available. In fact per the manufacturer, most of the older RA116's are considered obsolete. Current models listed by Honeywell include RA116A1055/U and RA116A1063/U.

At Sid Harvey you will also find older relays, including the Honeywell RA116A-R20R sometimes "new old stock" or re-manufactured controls that would most-likely be safer than a used control or a control of unknown condition listed on e-Bay (for example).

Other control variations to watch for:

I'm nervous about installing a used control of unknown condition on a heating system, particularly when it's a safety device as is this protect-o-relay. A bent or damaged bimetallic spring, a damaged internal relay or spring, even a corroded contact could make the system unsafe, risking fire or worse.

Penn Oil Burner Primary Control Stack Relay (C) D Friedman Ben BourdreauAlso see

Reader Question: cost to buy a replacement stack relay switch

(Jan 8, 2015) patrick said:
how much is a relay for a home oil electric system

Reply:

Patrick a new RA117A stack relay costs around $160. U.S.

Stack Relay Operation, Penn Oil Burner

This discussion has moved to a new article at PENN OIL BURNER STACK RELAY OPERATING DETAILS - separate article

Also see

Article Series Contents

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Continue reading at PENN OIL BURNER STACK RELAY OPERATING DETAILS or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

Or see STACK RELAY SWITCH - home

Or see OIL BURNER INSPECTION & REPAIR

FURNACE CONTROLS & SWITCHES

HEAT WON'T TURN OFF

HEAT WON'T TURN ON

STEAM HEATING SYSTEMS & CONTROLS

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