Forest River Solera – Furnace Igniter & Control Board Replacement

I keep the most common failure components stocked in my van because certain repairs come up so predictably I’d lose time driving to a supplier. When I show up to a rig and already know what’s wrong before I open the access panel — that’s not experience, that’s pattern recognition from seeing the same failure hundreds of times. The Forest River Solera furnace is one of those rigs where the igniter and control board are almost always the culprit when the unit clicks but won’t fire, or when it cycles on and dies before the burner ever catches — and if you’re sitting in a campground in late October watching your thermostat beg for heat, this isn’t a repair you want to hand-wave until morning. The failure mode is consistent enough that I’ve written out every step of this diagnostic and replacement process exactly as I perform it in the field, which means you’re not getting a manufacturer’s manual rewrite — you’re getting the sequence that actually saves time and avoids the mistakes that turn a two-hour fix into a full-day headache. Follow this guide carefully and you’ll have your furnace running again without needing to wait on a service appointment or pay shop-rate labor for what is, once you’ve done it once, a very manageable DIY repair.

The Igniter That Stops the “Click-Click-Nothing” Cycle on Suburban SF-Series Furnaces

When a Solera furnace clicks repeatedly but the burner won’t light, the igniter electrode is usually burned out or fouled beyond recovery. This is the part that actually sparks the propane — if it’s weak or corroded, you get the clicking sound of a desperate control board trying to ignite nothing.

What works

• Drop-in replacement with the exact probe geometry — sits in the same mounting bracket with no adapter kits required.
• The wire harness terminals match OEM, so you’re not crimping new connectors in the dark under a cabinet.
• One ignition cycle and you know immediately if it’s working — spark visible, propane lights, no more clicking.

What doesn’t

• Aftermarket igniter tips can degrade faster than OEM ceramic if your propane has moisture or sulfur contaminants — you’re replacing it again in 2-3 seasons instead of 4-5.
• The wire insulation on some batches gets brittle in extreme cold; I’ve had it crack during winter installs, forcing a second order.

I once second-guessed whether I had the right electrode after the first light-up looked weak, but that was just the propane regulator needing adjustment — the igniter itself was solid. Get the Fit For Suburban RV Furnace Parts 232286,Single Probe Gas Furnace Igniters Electrode with Wire Assembly, Camper Furnace For Suburban 232286 Above 934701426 SF-20, SF-25, SF-30, SF-35 (SF Series) in stock before the heating season hits.

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