the McDonnell & Miller 343500 Bellows Assembly (Model SA64-2) is the standard-issue component required to restore essential boiler safety functions

Using a blade with the wrong pitch will alter the motor's amp draw and the system's CFM

This OEM part ensures drop-in compatibility and preserves the original equipment's sequence of operation for reliable boiler venting protection

Because it is an angular contact bearing with two rows of balls oriented in opposite directions

Robertshaw 11-292 Tubing R-448A the McDonnell & Miller 343500The Robertshaw 11 292 Tubing is a technician grade 3 16 inch aluminum pilot line designed specifically for demanding HVACR service applications. This 5 foot aluminum tubing kit simplifies field repairs by including pre packed brass compression fittings (breakaway nut, sleeve, and nut), ensuring a gas tight seal on furnace, boiler, and water heater pilot assemblies. Manufactured from high grade 1435 aluminum alloy, this line meets ASTM B483 standards