When performing a Sure-Flex Plus coupling replacement

High BTU Capacity: Rated for 972

flame-retardant plastic enclosure in a neutral almond finish to suit diverse commercial environments

the 315917 is specifically sized and rated for the VP525

Can I install this relief valve in a horizontal orientation

Williams P323095 Heat Sensor When performing a Sure-Flex PlusAs an HVAC professional, you know that consistent blower cycling is the difference between a satisfied client and a callback. The Williams P323095 Heat Sensor is the critical OEM fan switch required for precise thermal management in Williams Direct Vent Furnaces. This ceramic heat sensor is engineered to trigger the Blower 2303 assembly, ensuring the fan engages only when the heat exchanger has reached operating temperature and continues to run until