these are lead-free EPDM gaskets suitable for hot water and steam applications in both residential and commercial plumbing

Built with durable construction

including older RSS series components

or loose connections at the gas valve

Precise Fit: Features a high-tolerance 6

Weil McLain 511-724-254 Thermocouple these are lead-free EPDM gasketsWhen you're dealing with a standing pilot that won't hold, the Weil McLain 511 724 254 30 inch Thermocouple is the specified OEM solution for restoring millivolt signal reliability. This is a screw in thermocouple designed specifically for natural gas boilers, featuring the heavy duty construction required for high cycle commercial and residential environments. At a 30 inch lead length, it provides ample slack for proper routing away from high heat