Marsh Ultra:Polylok™
Marsh Ultra:Polylok™ - 6 Person (UPL6) / Gravity is backordered and will ship as soon as it is back in stock.
Marsh Ultra:Polylok L
Industrial-grade performance — made simple for domestic use.
The Marsh Ultra:Polylok L (UPL) brings commercial-strength sewage treatment into the domestic market. Built using Marsh Industries’ expertise in high-performance wastewater systems, the UPL offers powerful treatment, compact design, and stress-free installation for homes and small developments.
Available in 6PE and 12PE models, the UPL is fully certified to BS EN12566-3 and delivers an impressive effluent quality of 20:30:20 — comfortably within national discharge consent limits.
✔️ Why Choose the UPL?
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Compact footprint for tighter spaces
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Fast and simple installation with minimal site disruption
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Reliable and efficient operation — no-nonsense performance, year after year
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Low maintenance design keeps running costs down
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Backed by Marsh’s proven engineering and support network
Whether you're a homeowner, merchant, or installer, the Marsh UPL is a trusted choice for clean, compliant, and cost-effective off-mains drainage.
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Warranty-
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Discharge To Surface Water-
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Discharge To Drainage Field-
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Power Supply Required-
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Min Person-
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Max Person-
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Tank Empty Frequency-
Marsh Ultra:Polylok™
Marsh Ultra:Polylok L
Industrial-grade performance — made simple for domestic use.
The Marsh Ultra:Polylok L (UPL) brings commercial-strength sewage treatment into the domestic market. Built using Marsh Industries’ expertise in high-performance wastewater systems, the UPL offers powerful treatment, compact design, and stress-free installation for homes and small developments.
Available in 6PE and 12PE models, the UPL is fully certified to BS EN12566-3 and delivers an impressive effluent quality of 20:30:20 — comfortably within national discharge consent limits.
✔️ Why Choose the UPL?
-
Compact footprint for tighter spaces
-
Fast and simple installation with minimal site disruption
-
Reliable and efficient operation — no-nonsense performance, year after year
-
Low maintenance design keeps running costs down
-
Backed by Marsh’s proven engineering and support network
Whether you're a homeowner, merchant, or installer, the Marsh UPL is a trusted choice for clean, compliant, and cost-effective off-mains drainage.
