On Oct 9, 11:30*pm, Hawk352 wrote:
My Olsen furnace is making a whistling noise when using the heating
unit only, there is no noise when using air-con. I believe it is the
fuel pump (A2VA-7116 Suntec) on a Beckett motor. Question: *How do I
replace this pump myself or do I need to hire a furnace contractor.
Hawk352

The whisting noise could be coming from the air intake grill on the
side of the burner when its sucking in air. It could be normal, but
have a guy come out and take a look, you are better off.