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Choose from 3 types of Trap Priming Systems: Pressure drop activated, Continuous flow and Electronic Trap Seal Primers.
The MAG-MIFAB Pressure drop activated trap primer (MRA500) offers these key benefits:
- Activated with a pressure drop as little as 21 kPa
- No air pre-charge required
- Minimum line pressure of 140kPA-max 560kPa
- Fully Serviceable
- No adjustments required
- Replaceable sediment filter and servicing
- Inter-changeable cartridge tubes
- Fourview holes (air gaps) for easy inspection of performance
- Distribution Units available, serving up to 10 floor drain taps
- WaterMark approved
The MIFAB TSP-2 Series Continuous flow primer discharges larger amounts of water when water pipes are larger and need a complete flow cycle through the pipes – a “continuous flow” instead of smaller drops of water.
MAG’s Electronic trap seal primers automatically maintain the water seal of floor drain traps and are available as a pre-assembled, programmed electronic system. Also available is our Hot Water Flushing System which automatically flushes hot water (or cold water) down waste pipes to prevent grease build up.
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MIFAB MRA500 Trap Priming Valve

Continuous Flow Trap Priming Valve

Trap Seal Primer Connector

Electronic Trap Priming System

Electronic Hot Water Flushing System
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Pressure Drop Trap Priming Valve
- MRA-500 Trap Primer
- Primes 1-10 traps
- As little as a 21 kPa pressure drop is needed for our MRA500 primer to function. Fact: Other brand needs a pressure drop of 35 kPa before it works.
- Minimum line pressure of 140 kPa – max 560 kPa. Fact: Other brand can only work in a more limited pressure range of 245 kPa to 525 kPa.
- No adjustments required – cartridge tube has a partition moulded in place which determines amount of water discharged from the primer. Other brands have primers that require adjustments to deliver different discharge amounts
- No air pre-charge required – can be disassembled in the field for cleaning and repair and then put back together. Other brand has an air pre-charge that once lost, the product cannot be used.
- Fully serviceable
- Replaceable sediment filter and servicing
- Inter-changeable cartridge tubes
- Four view holes (air gaps) for easy inspection of performance
- Distribution Units available, serving up to 10 floor drain taps (Model 80105 – MI-DU)
- WaterMark approved
Continuous Flow Trap Priming Valve
- ‘Original’ style of trap seal primers
- Brass body with a neoprene rubber poppet float on the inside that rises upward as water flows through primer
- When the poppet rises off its seat, water flows from the primer, through the plumbing line connection and into the floor drain trap
- Discharges larger amounts of water – needed when water pipes are larger and need a “flow through” or “continuous flow” instead of smaller drops of water
- Increased water flow ensures a complete flow cycle through pipes
- Fully serviceable
- Two view holes/air gaps for easy inspection of performance
- MIFAB TSP-2 has threaded connections to be installed in a vertical position within the horizontal water supply line
- WaterMark approved
Trap Seal Primer Connector
Provides an easy method of connecting the trap primer line to the trap.
Typically used underneath the outlet of a floor drain, area drain or floor sink, the Connectors are available as a 50mm, 80mm or 100mm ABS socket connection to match any 50mm, 80mm or 100mm outlet floor drain or floor sink connection.
FEATURES
- Can be rotated 360° prior to cementing inside a standard p-trap – can receive a water supply from any direction.
- No moving parts, simple installation and low cost.
- Supplied with a 1/2” (15mm) brass olive compression fitting for the water supply attachment.
Product Code: MI-602 – 50mm Connector
Product Code: MI-603 – 80mm Connector
Product Code: MI-604 – 100mm Connector
Electronic Trap Priming System
- Automatically maintain a constant water seal in floor drain traps
- Various models available: single or multi points, lockable cabinet option
- Primes 1-10 traps
- Available as a pre-plumbed/pre-assembled, programmed electronic system
- Designed and engineered at MAG’s Australian factory with an approved vacuum breaker, 24 volt solenoid valve operated by a timer, adjustable flush times, shut off valve for maintenance and a manifold system to distribute water evenly to floor drain traps
- Timer control with manual override to adjust frequency and amount of water
- Ideal for factories, industrial plants, food outlets, commercial businesses, schools, hospitals, manufacturing and any other buildings requiring floor drain trap seal protection
- Working pressure min. 100 kPa, max. 600 kPa
- Primary assembly to be mounted min. 300mm above finished floor or ceiling space
- Available in lockable cabinet (Model: 38010 Steel Cabinet with slot lock; Model: 38011 Stainless Steel Cabinet with key lock)
Electronic Hot Water Flushing System
- Automatically flushes hot water down waste pipes to prevent grease build up
- Suitable for cold water flushing also
- Model 38001 MAG Electronic Hot Water Flushing System
- Available in lockable cabinet (Model 38002 Steel Cabinet with slot lock; Model 38012 Stainless Steel Cabinet with key lock)
- 24 hour timer control with manual override
- Timing function – adjustable to suit, as per selection made
- Inlet and outlet 12mm copper pipe, 24 volt solenoid valve
- Working pressure min. 100 kPa, max. 600 kPa
- Primary assembly to be mounted min. 300mm above finished floor
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