The Robertshaw 190-071 Metal Guard

the underlying cause of the overheat condition must be diagnosed and the part replaced with a new HVAC safety switch

67" WC to ensure accurate vent pressure detection and system safety

The Lennox 47K09 Natural Gas Burner Orifice is a precision-engineered OEM replacement part designed for specific natural gas furnace and heating applications

it prevents heat exchanger fatigue and potential fire hazards caused by restricted airflow or blower failure

Raypak 009133F Pressure Switch Els PW 17895 The Robertshaw 190-071 Metal GuardWhen you're troubleshooting a Raypak unit that won't fire, the Raypak 009133F Pressure Switch is often the first safety component to inspect. This 11 PSI pressure switch is a critical OEM pool heater part designed to monitor water flow and protect the heat exchanger from dry firing. Engineered for a wide range of Raypak digital atmospheric and Low NOx heaters, including the 206A, 266A, 336A, and 406A series, this switch ensures the burner only ignites