Why this boiling ring earns its place
The Imperial ISPA-18 is a specialist piece: it does one thing extremely well — it boils and simmers large volumes of stock, soup or water in a single, compact footprint. At 457 × 533 × 629 mm (roughly 18 inches square and just over 2 feet tall), it sits neatly on a prep shelf or next to a main cooking line. The 57 kg unit is made from stainless steel and cast aluminium, materials that survive the thermal shock and daily scrubbing of a real kitchen without corroding or warping.
The genius is in the burner design: a single powerful three-ring burner with two independent dials controlling inner and outer ring heat. That means you can keep a gentle simmer going on the outer ring while the centre ring brings your stock to a rolling boil, or run both rings together when you need everything hot at once. The roll-fronted edge is a detail that matters — it catches splashes and stops spilled stock running off the front, and it's solid enough to take the weight of a massive stockpot without flexing. Heavy-duty construction from stainless steel and cast aluminium means this machine earns its place: it's built to run all day without complaint.
What makes it genuinely useful in a tight kitchen is the built-in storage below the burner. Space is money in commercial kitchens, and this unit doesn't steal counter space — it gives storage back. On propane gas, it requires a standard LPG bottle connection and regulator. The one-year warranty covers parts and labour, and one-year extended option is available. This is the kind of equipment you fit once, keep clean, and it'll outlive the kitchen it's in.
Check the narrowest clear opening, then every corner, landing, step and lift from the kerb to the room.
Stated machine geometry while kept upright. Allow handling room and confirm the complete route.
Measure the clear opening
Enter the usable gap with the door fully open.
This checks straight stated geometry only.
