4.1 General Piping Requirements. TRIANGLE TUBE PEA110

4.0

Boiler Piping

SECTION IV - BOILER PIPING

4.1

General Piping Requirements

- All plumbing must meet or exceed all local, state and national plumbing codes.

- Support all piping using hangers. DO NOT support piping by the unit or its components.

above any drain connection to allow clear visibility of the discharge.

- Should terminate with a plain end, not with a threaded end. The material of

- Install unions for easy removal of the

PRESTIGE Excellence from the system piping.

- Should not be subject to conditions where freezing could occur.

- Should not contain any shut-off valves or obstructions. No shut-off valve should be piped between the boiler and relief valve.

WARNING

Use a two wrench method when tightening piping onto the boiler connections.

piping from turning / twisting. Failure to support the boiler piping and connections in this manner could cause damage to the boiler and its components.

4.2

Pressure Relief Valve

with a 30 psi pressure relief valve and must be piped using the PRV connection as shown in Fig. 5 page 15.

2. To avoid potential water damage to the surrounding area or potential scalding hazard

- Must be connected to the discharge outlet of the relief valve and directed to a safe place of disposal.

- Length should be as short and direct as possible. The size of the discharge line

WARNING

Failure to comply with the guidelines on installing the pressure relief valve and discharge piping can result in personal damage.

4.3

Boiler Air Vent

NOTICE

This boiler is supplied with a special automatic air vent that will provide reliable operation in purging air from the boiler. The hygroscopic cap supplied with the automatic air vent MUST remain tight at all times on the air vent body. The hygroscopic cap has a membrane which expands upon contact with water and seals the air vent until the ing in the air vent.

- Should be directed downward towards terminate at least 6 inches [153 mm]

2. Never loosen the hygroscopic cap to allow the cap fully tightened in place.

3. If the hygroscopic cap is not fully tighttighten the cap securely.

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