Name: Wayne SPF50
Brand: Wayne
Price: 145.75 USD

3.1/5#9 of 17 in 1/2 HP and up sump pumps
3.1

A cheap way to get 1/2 HP flow in a light pump. Buyers who want a longer warranty should pay a little more for the Wayne CDU800.

Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

Cons

The Wayne SPF family

Every Wayne SPF model we rank, smallest first. Ratings compare each against its own size.

Model	Motor	Rating	Price
Wayne SPF33	1/3 HP	3.5/5	$128.20
Wayne SPF50 (this one)	1/2 HP	3.1/5	$145.75

How it scores

The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.

For basements with a high water table or a deep pit where a 1/3 HP pump runs constantly. The cast iron build suits long, heavy duty cycles.

$328.80

For most basements that want 1/2 HP cast iron flow with a vertical float at a fair price.

$205.77

For most basements that want strong 1/2 HP cast iron flow at a modest price.

$180.19