10.4 SeaStar inboard/sterndrive tubing
Two types of tubing materials are available for plumbing inboards and sterndrives. 1. SeaStar 3/8” outside diameter nylon tubing
2. 3/8” outside diameter copper refrigeration tubing SeaStar hoses provide 20% less effort over tubing.
10.4.1 Nylon tubing
SeaStar 3/8” outside diameter nylon tubing can be used for; a) Inboard, b) Sterndrive, and c) SeaStar steering systems with SeaStar (1.7 cubic inch/rev. displacement) helms only. SeaStar 3/8” outside diameter nylon tubing is available in the following lengths:
LENGTH
TUBING PART #
FEET
(METERS)
25’ 50’ 75’ 100’ 1000’
(7.6 m) (16.2 m) (22.8 m) (30.5 m) (305.0 m)
HT5092 HT5095 HT5097 HT5100 HT5101
Table 10-6.
NOTICE! SeaStar 3/8” extruded nylon is not recommended for use in systems with SeaStar 2.4 or SeaStar PRO helm pumps. It is also not to be used in systems where total tubing runs exceed 100’, in these cases SeaStar hoses and/or 3/8” copper tubing must be used. WARNING! Dometic recommends the use of SeaStar PRO (1500 psi) reinforced Kevlar hoses with SeaStar PRO helm systems.
10.4.2 Copper tubing
3/8” outside diameter copper tubing is recommended for; a) inboard, b) sterndrive, and
c) SeaStar steering systems with SeaStar (2.4 cubic inch/rev. displacement) helms only, or where the length of tubing run exceeds 100 ft. (30.5 m). Additional SeaStar hose kit part number HF5508 is required to connect the tubing to the cylinder. 3/8” copper tubing should be obtained through a local vendor based on the following tubing specifications. Specification for copper tubing: Soft annealed copper tubing, type ‘L’ produced under ASTM B280.
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