Rheem Classic 90 Plus Furnace Troubleshooting 1. Power. 2. Thermostat Batteries. 3. The Furnace. 4. The Igniter. 5. The Combustion Chamber. 6. The Vent. 7. Replacing the Thermostat. 8. Efficient Appliances. 9. Emergency Advice. rheem classic 90 plus furnace problems 90 PLUS 95 A. F. U. E. DOWNFLOW HORIZONTAL GAS FURNACES The Rheem Classic 90 Plus High Efficiency line of down flowhorizontal gas furnaces are designed for utility rooms, closets, alcoves, attics or crawl spaces.
I have a Rheem Classic 90 Plus in my condo, circa 1998. I moved in about a year ago, and have had no problems with the furnace until now. I was hoping I could get some insight on the issue I'm having. It's been cold here (2030 degrees). rheem classic 90 plus furnace problems
Feb 21, 2007 Rheem Classic 90 Plus Problem. Discussion in 'HVAC' started by bcooper, Feb 18, 2007. Mar 21, 2006 Water (condensation) problem on RHEEM 90 I have a RHEEM Classic 90 Plus Gas Furnace. I had this very same problem last March and then it Rheem 90 Plus gas furnaces offer an energy efficiency rating of 90 percent and come with a draft inducer, slide out blower motor, hot surface ignition and remote sensor, primary and secondary exchanger and inshot burners to regulate the combination of air and gas. The units are sold through select dealers or online and come with a limited warranty. rheem classic 90 plus furnace problems I have a 14 yr old RHEEM IMPERIAL 90 plus furnace that is acting up! When it has set for (say over nite) it takes several tries to get the HSI (hot surface ignitor) to glow properly! Home Discussions INSULATION& HVAC Rheem 90 Plus Problems. 22 posts 0 new. Log in or register to post comments. Last post. Sat, 04: 08# 1