[FONT=Arial]I have a old gas Sears boiler that is 40 to 50 years old. The Thermostat Control Relay needs to be replaced. I called Sears and the part# 387.92551 has been d[FONT=Arial][COLOR=#000000]iscontinued. Is there another thermostat control relay made by a different manufactor that would work? [/COLOR][/FONT][/FONT]
[FONT=Arial][COLOR=#000000][FONT=Arial][/FONT][/COLOR][/FONT]
[FONT=Arial][COLOR=#000000][FONT=Arial]Thanks[/FONT][/COLOR][/FONT]
[FONT=Arial][COLOR=#000000][FONT=Arial]John [/FONT][/COLOR][/FONT]
[quote=kybigblue;79151][FONT=Arial]I have a old gas Sears boiler that is 40 to 50 years old. The Thermostat Control Relay needs to be replaced. I called Sears and the part# 387.92551 has been d[FONT=Arial][COLOR=#000000]iscontinued. Is there another thermostat control relay made by a different manufactor that would work? [/COLOR][/FONT][/FONT]
[FONT=Arial][COLOR=#000000][FONT=Arial]Thanks[/FONT][/COLOR][/FONT]
[FONT=Arial][COLOR=#000000][FONT=Arial]John [/FONT][/COLOR][/FONT][/quote]
A thermostat control relay? Either a fan relay or control relay. Assuming you are correct about being a “Boiler” eliminates fan relay. So any relay with a 24volt coil will work. A relay is just a switch. 
From Sears :
part: 387.92551
Substitution: 8E42A-1
Category:Plumbing and Heating
[B]$98.99[/B] In stock [URL="http://www.searspartsdirect.com/partsdirect/showPart.pd?partNumber=387.92551&productGroupId=0042&supplierId=387&pathTaken=partSearch&filterPart=&pop=flush#"]
You can also use : http://customer.honeywell.com/techlit/pdf/PackedLit/69-0599.pdf
Can anyone still see this post?? I have the same boiler and it is out…it’s so old that even the replacement suggested..I can’t find..Please help?