Harman Direct Vent Wall Pass Through Thimble with OAK- 3" & 4" Pellet Vent Pipe: 1-00-677177

This direct vent wall pass-through thimble is made by Harman and is listed as a compatible venting component for Harman pellet stoves and inserts when using Simpson Pellet Vent Pro pellet venting. Venting and 3" OAK hose sold separately. The exhaust opening will accommodate both 3" and 4" vent diameters and a 3" outside air flex hose. The term "direct-vent" means that this thimble supports exhaust venting AND an outside air connection all in one Supports the outside air temperature probe for stove models with a touchscreen controller Requires only one narrow opening for installation, 7 1/4"~7 1/2" square Tough 316T stainless exterior with low profile intake hood Can accommodate a nominal wall thickness between 4" and 10 5/8" - Compatible with the Harman Absolute 43-C, Harman Absolute 63, Harman Accentra 52i TC, Harman P35i-C, Harman P43, Harman P43-C, Harman P61-C, Harman P68-C, Harman XXV TC

• Compatible Replacement for Part # 1-00-677177
• Compatible with the Harman Absolute 43-C, Harman Absolute 63, Harman Accentra 52i TC, Harman P35i-C, Harman P43, Harman P43-C, Harman P61-C, Harman P68-C, Harman XXV TC
• USA-Based Seller With 7 Days-a-Week Customer Support