Furnace Models:

Upflow:   NPF700-060U3BH / NPF700-080U3BH / NPF700-100U5CH

Horizontal: NPF700-060H3BH / NPF700-080H3BH / NPF700-100H5CH 

Downflow:  NPF700-060D3BH / NPF700-080D3BH / NPF700-100D5CH

Service Tips:

If your pump is stuck, it usually works to give the pump housing about 3-4 hits with a screw driver. This is a typical issue, but once the pump is moving you will not have to do it again.

Installation Manual: NPF INSTALL