RTV6500R – RTV SILICONE (RED, HIGH HEAT)
$13.11
Red high-heat RTV silicone sealant. Rated for continuous exposure up to 500°F. For furnace heat exchangers, exhaust joints, and high-temp HVAC sealing.
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm | In-Store Pickup Only
Description
High-heat red RTV silicone for sealing joints that get hot — furnace flue connections, heat exchanger seams, exhaust pipes, and other high-temperature applications. Stays flexible and won’t crack like regular silicone when exposed to heat cycling.
Specs: Red RTV silicone, 500°F continuous temperature rating, flexible cure
Replaces: PS9983, RTV6500R
Fits: Universal — high-temperature sealing for furnaces, exhaust systems, engines, and industrial applications
In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.





