and T-4100 models without obstructing proper airflow

This is a CW (Clockwise) rotation blade

this assembly ensures consistent water volume and pressure

Engineered with a heavy-duty bronze body and a stainless steel spring

verify the condition of your mounting clips during teardown

Robertshaw 900-108 Pressure Test Kit Freon and T-4100 models without obstructingThe Robertshaw 900 108 Gas Pressure Test Kit is a field proven diagnostic tool essential for service technicians working with natural gas and LP (propane) systems. This heavy duty kit is engineered to provide precise manifold pressure measurement within a range of 0 35" WC (water column), ensuring optimal burner performance and regulator calibration. Built for the rigors of mechanical contracting, the kit features a calibrated manometer, a 6 foot