multi-stage (2H/2C)

maintaining a low-fire manifold pressure of 5

which is essential for preserving the heat exchanger’s integrity and optimizing the overall furnace diagnostic workflow

it effectively manages gas valve sequencing without the need for a standing pilot

PACO Pump 99492686 Shaft Sleeve 328140-751 multi-stage (2H/2C)The PACO Pump 99492686 Shaft Sleeve is a precision engineered bronze shaft sleeve designed to provide a sacrificial wear surface, shielding the pump shaft from friction and corrosive elements. This component serves as the direct 1. 000" x 1. 250" x 2. 375" replacement for the legacy PACO 91843842 and is frequently utilized in close coupled pump configurations, including the PACO K105 and K107 series. As a veteran technician knows, maintaining a smooth