Lochinvar & A.O. Smith 100208804 Cover 340155-7026 once the special stem nut

once the special stem nut and jam nut are secured

this 200F limit switch monitors internal water temperatures and triggers an immediate system shutdown if the 200°F threshold is exceeded

Key Benefits High-Flow Efficiency: The 3/4 inch orifice and 5 Cv rating allow for substantial flow rates in general service applications

Can I use this in high-pressure steam applications

This part serves as the official Weil McLain replacement for the AT140B1297

Lochinvar & A.O. Smith 100208804 Cover 340155-7026 once the special stem nutThe Lochinvar & A. O. Smith 100208804 is a 7. 25 inch diameter Rear Refractory Cover Kit engineered for high efficiency commercial boilers and water heaters. As a critical OEM replacement part, this combustion chamber insulation component maintains the thermal barrier at the rear of the heat exchanger, protecting the cabinet and internal components from extreme temperatures. Precise fitment of the 100208804 refractory kit is essential for maintaining