The Grundfos CMB5-37 PM1 (also listed as CMB5-37PM1) is a refined multistage automatic home water pressure booster pump engineered to maintain a consistent water supply for residential and light commercial applications. Equipped with an integrated PM1 Pressure Manager, this compact unit provides automatic start and stop functionality based on water demand while offering built-in dry running and overload protection. Designed with key components made from corrosion- and wear-resistant stainless steel, this maintenance-free booster pump delivers quiet and reliable performance for multi-story homes, apartments, villas, and multi-outlet properties.

Key Features:

• Automatic Demand Control: Features a PM1 Pressure Manager that automatically starts and stops the pump based on user water demand.
• Multistage Efficiency: Designed with a multistage pump architecture that ensures effective, quiet operation for quiet household environments.
• Built-In System Protection: Equipped with dry running protection and overload protection to safeguard internal components against operational damage.
• Corrosion-Resistant Construction: Built with key internal components crafted from corrosion- and wear-resistant stainless steel.
• Compact & Maintenance-Free: Features a space-saving design that operates efficiently without requiring routine maintenance.

Product Specifications:

• Brand: Grundfos
• Model: CMB5-37 PM1 (CMB5-37PM1)
• Product Type: Automatic Home Water Pressure Booster Pump / Multistage Water Pump
• Motor Power: 1.0 HP / 0.67 kW (670 W)
• Voltage / Frequency: 220–240 V, 50 Hz
• Maximum System Pressure: 10 bar
• Ambient Temperature Range: 0 °C to +55 °C
• Liquid Temperature Range: 0 °C to +60 °C
• Power Cable: 2 m with plug
• Protection Class: IP55
• Weight: 15 kg
• Material: Key components made from corrosion- and wear-resistant stainless steel

Compatibility & Installation Requirements:

• Suitable Applications: Designed for 4–5 bathrooms or outlets, multi-story residential homes, apartments, villas, instant water heater showers, kitchen and bathroom water supply, garden watering/irrigation, and light commercial water boosting.
• Weather Protection Requirement: Not weatherproof; the unit must be placed under a shaded area or protected using a pump cover.
• Site Readiness: House plumbing and power points must be fully prepared prior to pump installation.
• Optional Installation Service: Replacement or new installation with bypass is available in Kuala Lumpur & Selangor / Klang Valley. The standard installation package includes basic PVC piping from the water tank to the pump; additional charges apply for modifications or non-PVC piping materials.

Warranty & Certification:

• Certification: SIRIM Certified.
• Warranty: 2 Years General Warranty provided by Grundfos (an additional +6 months warranty is available via online registration).

Package Includes:

• 1 x Grundfos CMB5-37 PM1 Booster Pump with integrated 2 m power cable and plug

Why Choose Grundfos CMB5-37 PM1?

• Consistent Water Supply: Delivers automatic, pressure-managed water boosting across up to 4–5 outlets simultaneously.
• Quiet & Durable Performance: Combines quiet multistage operation with durable, wear-resistant stainless steel key components.
• Enhanced Safety Safeguards: Protects your system with automated dry running protection and overload safety features.
• Certified Quality: Backed by official SIRIM certification and a Grundfos manufacturer warranty.