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This is a generic replacement valve suitable for many furnaces (24VAC control, 30mv thermocouple, up to 135,000 BTU, 3.5" WC outlet pressure). Its easy enough to install for anyone with some basic plumbing experience. Observations from the install:
Its important to know the specs for your furnace to ensure that you get a compatible valve. Rheem's customer service line was most helpful for me in this regard as was the ratings plate on the unit. You can also consult Honeywell's Universal Gas Valve Selection/Cross Reference Guide (web address below).
The included instructions are clear and comprehensive. You can preview them at (search on the valve part number). For even more info, download Honeywell document 70-2062 which covers gas valves in depth from a technical perspective and describes how to check/set the output pressure by observing flow on your gas meter.
Take a few digital pictures of the original setup, particularly the wiring.
The pilot supply and thermocouple connections were in different locations than the valve being replaced. This required replacing the pilot supply tubing. I used the 5AU59 kit from WW Grainger. Honeywell recommends against reusing the pilot fitting so its probably a good thing anyway. If the thermocouple is old, replace it too.
The pilot fitting provided with the valve has VERY close tolerances for the tubing. Avoid any bends near the fitting as even a slightly out-of-round tube will be hard to install.
The electrical connections are on the furnace-side of the valve making it hard to do wiring using the screw terminals but the 1/4" fast-ons provided are OK. I had to do a little re-wiring since some of the original wiring went to the now inaccessible screw terminals.
I used a Yellow Jacket 78055 Gas Pressure Test Kit, bought on Amazon, to verify and adjust the inlet/output pressures. The valve is set to a nominal 3.5" Water Column. In use, mine ran a skosh low. I tweaked it up to spec but the original setting would have been fine too. The pressure adjust uses a Torx T40 driver but you could get away with a 1/4" flat screwdriver.
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I installed the valve with no problems. It came with extra components for custom installations, which i didn't need as I was replacing a similar valve. It worked perfectly and is still working perfectly after 2 months. Good price performance ratio.
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