Description
DOMETIC SEASTAR 1275V Capilano Rear Mount Helm Pump – HH5275
The Dometic SeaStar HH5275 is a Capilano 1275V rear-mount hydraulic helm pump for extra-heavy-duty and commercial steering systems. It is designed for rugged installations where large rudders, commercial duty cycles, or heavier steering loads require a high-capacity helm with variable displacement.
The variable displacement design allows the operator or installer to tune wheel turns within the specified range for the vessel. This helm should be used as part of a correctly matched Capilano system with compatible cylinders, lines, fittings, and steering fluid.
- Capilano 1275V variable-displacement helm for high-load hydraulic steering.
- 2.7–5.4 cu in displacement range supports adjustable wheel turns and steering effort.
- Rear-mount construction suits heavy-duty helm installations.
- Built-in pressure relief protection for hydraulic steering system safety.
- Large-wheel compatible for commercial and heavy steering applications.
Specifications
- Manufacturer Part Number: HH5275
- Product Type: Capilano hydraulic helm pump
- Helm Type: Rear mount
- Model: 1275V
- Fluid Displacement: 2.7–5.4 cu in; Dometic configuration shows 5.4 cu in selected
- Maximum Pressure Rating: 1000 psi
- Maximum Wheel Diameter: 36 in, per Dometic data
- Product Dimensions: 29.53 cm D x 14.92 cm H x 13.97 cm W
- Net Weight: 6.99 kg









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