or 4-way valve chatter during mode shifts

though it is standard practice to install it where the adjustment screw remains accessible for maintenance

As a high-limit safety control and fan switch

What is the required input signal for modulation

Bradford White 233-40876-03 Pilot Assembly L99H008 or 4-way valve chatter duringThe Bradford White 233 40876 03 Pilot Assembly is a critical OEM replacement component designed for high recovery commercial and residential atmospheric vent water heaters. This natural gas pilot assembly features a durable thermopile and thermocouple configuration, ensuring precise flame rectification and consistent millivolt generation for the gas control valve. Engineered to withstand high combustion chamber temperatures, the 233 40876 03