Armstrong 3750-1VM-S Pulpress Enhanced + VFC

Quick Overview

  • Single pump / Single system
  • Enhanced model with VFC
  • Motor: 0.5kW
  • RPM: 2900
  • Phase: Single phase
  • Starting Current: 8.7A
  • Full Load Current: 2.9A
  • MWSP: 5.5 Bar
  • Dimensions: w:560 h:902 d:557
  • Water Inlet Conn: ½" BSPM
  • System Conn: ½" BSPF
  • Weight: 55kg
Check the datasheets in the downloads tab below for comprehensive information before you order
Please ensure you are ordering the correct pump/phase as restocking charges may apply. Please call us on 01322 292 415 to check current delivery times.
Excl. Tax: £3,846.00 Incl. Tax: £4,615.20

* Required Fields

Excl. Tax: £3,846.00 Incl. Tax: £4,615.20
View Detail


The 3750 Pulpress Series of microprocessor controlled pressurisation units are designed to make up any losses due to system leakage and to maintain the initial system design fill-pressure in sealed LTHW, MTHW or Chilled Water systems, and all types of systems as set out in BS7074 Parts 1, 2, and 3.

3750 Pulpress units are designed for applications where there is a need to pressurise and provide make-up for sealed systems within a building 3750 Pulpress Cabinet enclosed unit, specified for wall or floor mounting, providing control for low and medium pressure systems.

Microprocessor controlled with optional VFC interface and connection to BMS systems.

Rotomould lightweight construction providing an environmentally friendly recyclable pressurisation solution.


  • Floor or wall mounting
  • Controls versatility
  • Ex stock availability
  • Enhanced option with VFC
  • Microprocessor as Standard

Product Attachments

View FileArmstrong 3750 PU Data Sheet Pumps UK Ltd    Size: (712.98 KB)
View FileArmstrong 3750 Install/ Operating    Size: (592.24 KB)