HHT Rheostat & Temp Sensor Assembly (SRV107-570A) SKU: SRV107-570AReplacement rheostat and temp sensor for the GFK-160A fan kit for Heatilator, Heat N Glo and Quadra-fire gas fireplaces. OEM HHT part # SRV107-570ABuy NowModel CompatibilityFits These ModelsQV36QVI25QVI30QVI35