Product Manual

ManualsBrandsMyers ManualsPrimary1/3 HP Cast Iron Sump Pump w/ Tether Float Switch

Repair Parts 7

Ref. Description Qty.

MDC33P1

MDC50P1

MDC33PC1

MDC50PC1

MDC33V1

MDC50V1

MDC33VC1

MDC50VC1

MDC33M1

MDC50M1

MDC33MC1

MDC50MC1

1 Vertical Switch (Incl. 1A thru 1F) 1 – PKG 208 PKG 209 –

1A Switch 1

1B Mounting Bracket 1

1C Screw 2

1D Float 1

1E Retainer Strap 1

1F Stop 1

2 Screw, #8-1/2” self-tapping 1 U30-539SS –

3 Switch Cord Clamp 1 CC0030-13 –

4 Oil Fill Plug 1 U78-941ZPV

5 Ring Handle 1 U97-128

6 Cord Connector 1 PS17-46P

6A O-Ring 1 U9-370

7A Motor Cover 1 PS18-144GR

8 Capscrew, #10-32 x3/4” 3 U30-482SS

9 O-Ring 1 U9-339

10 Insulating Disk 1 PS18-82

11 Motor / Upper Volute 1 If the Motor fails, replace the entire pump.

12A Shaft Seal Stationary Head Assembly 1 U9-379A

12B Shaft Seal Rotating Mating Ring 1 U9-321A

13 Impeller 1

MDC33 Series pumps use Impeller number PS5-26P.

MDC50 Series pumps use Impeller number PS5-29P.

14 Gasket 1 PS20-21

15 Lower Volute 1 PS1-34P

Lower Pump Body Screw #10-32x1”

Hex Washer, self-tapping

7 U30-966SS

17 Suction Plate 1 U43-142SS

18 Screw, #6-1/4” pan head 1 U30-972SS

Lower Pump Body Screw #10-32x1-

1/8” Hex Washer, self-tapping

1 U30-967SS

20 Power Cord Assembly 1 See Power Cord Assembly Chart

21 Tethered Float Switch 1 PS17-109 PS17-111 –

Dielectric Oil All Models use .61 qts., U197-8A

Power Cord Assembly

Pump Model Number Part Number Pump Model Number Part Number

MDC33M1 PW117-281-TSU MDC50M1 PW117-237-TSU

MDC33P1 PW117-281-TSU MDC50P1 PW117-237-TSU

MDC33V1 PW117-281-TSU MDC50V1 PW117-237-TSU

MDC33MC1 PW117-122-TSU MDC50MC1 PW117-122-TSU

MDC33PC1 PW117-122-TSU MDC50PC1 PW117-122-TSU

MDC33VC1 PW117-122-TSU MDC50VC1 PW117-122-TSU