Weil-McLain 382-200-305 manual Gv Boiler, Replacement Instructions, Part Number, Contents of Kit

GV BOILER

Intermediate or Back Section Repair Kit

Part Number 382-200-305

Replacement Instructions

The following terms are used in these instructions to bring attention to presence of hazards of various risk levels, or to important information concerning the life of the product.

WARNING

Indicates presence of hazard which can cause severe personal injury, death or substantial property damage.

CAUTION

Indicates presence of hazard which will or can cause minor personal injury or property damage.

WARNING

Failure to follow items below can cause severe personal injury, death or substantial property damage:

These instructions are for use by a qualified installer/service technician. Follow all instructions in proper order.

Shut off main gas valve and disconnect electricity to boiler.

Wait until boiler is cooled down before proceeding with replacement.

Contents of Kit:

2” square cut seals Silicone sealant

Nuts and washers for draw rods Instructions

Instructions for blower removal/replacement

1.Remove jacket top and front panels. Lay aside boiler insulation.

2.Close isolation valves between boiler and system. Drain boiler.

3.Remove:

All wiring connectors from control tray. Control tray (if applicable).

External system gas and water piping from boiler. Thermostat wiring.

External vent piping.

External combustion air piping, if used. Vent condensate drain hose.

Blower assembly and burner. See “Blower Assembly or Burner Replacement Instructions,” part number 550-141-608, packed with kit.

High limit control bulb from well.

Relief valve and external piping (back section only). External air vent piping.

Remaining outside and interior jacket panels. Block temperature limit switch. Circulator(s).

4.Tilt block assembly onto back section to rest on 2 short pieces of 2 x 4’s.

CAUTION	Section block is heavy - care must be
	taken in moving to avoid personal
	injury.

5.DO NOT remove drain valve and all other remaining piping on front section.

6.Remove base rail assembly and tie rods from block assembly.

7.Remove section(s) to be changed.

8.Remove silicone sealant from mating sections.

9.Clean new section and mating sections of any oil and dirt or silicone sealant will not adhere properly.

10.Clean square cut sealing surfaces on new and mating sections.

CAUTION	Do not use any cleaner containing
	petroleum-based distillate (oil). Square
	cut seal failure will occur.

11.Apply bead of silicone sealant around perimeter of intermediate or back section except on inside of waterway holes (see Figure 1).

Silicone

Sealant

Do Not

Apply

Silicone

Sealant

Here

Do Not

Apply

Silicone

Sealant

Here

Figure 1

12.Insert new square cut seals.

13.Align new section and lay it on top of existing section. Repeat steps 10-12 as necessary.

Part number 550-141-588/0501