Slayer Espresso review
By Kirill Gissa · Published · Specs checked Oct 15, 2026 · 
8.25OF 10
Good
Buy if / Skip if
It ranks 14th of 22 commercial espresso machines by our score, 8.25/10. Slayer does not publish a price for it; prices come from dealers.
Best for
A fixed spot with a water line: it plumbs in
Skip if
You need a stated return policy before you buy
- Price
- Price not available
- Groups
- 2
- Power
- Not stated
- NSF/ANSI 4
- No record
- Warranty
- Not stated
- Returns
- Not stated
Specs and sources
Checked Oct 15, 2026 · source under each valueBrewing
BoilerMultiple boilers, 2-group: brew tanks 1.7 L × 2 (600 W each); pre-heat tank 3.3 L (1,000 W); steam tank 7.4 L (3,500 W)slayerespresso.com
Profilingflow profiling: 'Patented Needle Valve' restricts flow rate; programmable pre-brew timer; 3-position brew actuators rated 1 million cyclesslayerespresso.com
Build, service and safety
Powersingle-phase 220–240 V 50/60 Hz; three-phase 380–415 V 3N 50/60 Hz, 26–29 A single-phase (product page) / 26 A (install sheet MAR 2022); 17–18 A three-phase A, 5.7–6.9 kW single-phase; 6.3–7.5 kW three-phase W, 5.7 Wslayerespresso.com
Dimensions30.5 × 26.5 × 17 in (77.5 × 67.5 × 43.5 cm) foot-to-foot; 34.2 in wide incl. handles; excludes portafiltersslayerespresso.com
Safety listingNo UL/ETL listing found. No NSF listing foundSource not recorded
DescalingWater filter: 3/8-in BSP dedicated cold line (3/8-in compression fitting included in North America), 3 bar min / 5 bar max; hardness cannot exceed 50 ppm or softener needed (install sheet). KB water treatment: carbon filter required on all machines; pH 7–9, hardness 2–6 gpg, TDS 50–200 ppm, alkalinity 40–100 ppm, chloride < 30 ppm, silica < 10 ppm, chlorine/chloramine < 0.1 ppm; RO with blend-back mandatory above 9 gpg; rinse new filter 2 min; Backflush: daily routine backflush with 1.5 g SLAYER Espresso Cleaner; soak dispersion screen and screw, portafilter bodies (never handles) — KB 'Preventative Maintenance & Cleaning Procedures - Espresso V3'; Group gasket: every 3 months: group gasket, portafilter baskets and springs; also at 6- and 12-month PM (KB PM V3); Shower screen: every 3 months: dispersion screen and screw (KB PM V3); Filter cartridge: not specified — replace per filter provider's life expectancy; re-verify water against requirements at 6 and 12 months and after service (KB)Manual · Oct 15, 2026
Water filter3/8-in BSP dedicated cold line (3/8-in compression fitting included in North America), 3 bar min / 5 bar max; hardness cannot exceed 50 ppm or softener needed (install sheet). KB water treatment: carbon filter required on all machines; pH 7–9, hardness 2–6 gpg, TDS 50–200 ppm, alkalinity 40–100 ppm, chloride < 30 ppm, silica < 10 ppm, chlorine/chloramine < 0.1 ppm; RO with blend-back mandatory above 9 gpg; rinse new filter 2 minManual · Oct 15, 2026
Buying
Brand pageManual (brand)
Warranty, returns and shipping
WarrantyNot stated
ReturnsNot stated
ShippingNot stated
Warranty: not stated by the brand. Returns: not stated by the brand. Shipping: not stated by the brand. Source: slayerespresso.com, checked October 15, 2026.
Source: slayerespresso.com, checked Oct 15, 2026.
Compared with similar commercial espresso machines
All 22 commercial espresso machines →Boiler: Heat exchanger · Warranty: 2 years (limited)Score 9.25/10
$10,400See specs →
Boiler: Heat exchanger · Warranty: 2 years (limited)Score 9/10
$14,700See specs →
Slayer EspressoTHIS MODEL
Boiler: Multi-boiler · Warranty: Not statedScore 8.25/10
Price not available
Boiler: Dual boiler · Warranty: 1 yearScore 9/10
Price not availableCheck price →
| Model | Price | Boiler | Warm-up | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| Nuova Simonelli Appia Life | $10,400 | Heat exchanger | Not stated | 2 years (limited) | 9.25/10 | See specs → |
| Synesso ES.1 | $13,860 | Dual boiler | 30 min, brand figure | 1.08 years (limited) | 9.25/10 | See specs → |
| Nuova Simonelli Aurelia Wave | $14,700 | Heat exchanger | Not stated | 2 years (limited) | 9/10 | See specs → |
| Slayer EspressoTHIS MODEL | Price not available | Multi-boiler | Not stated | Not stated | 8.25/10 | |
| La Marzocco Linea Classic S | Price not available | Dual boiler | 25 min, brand figure | 1 year | 9/10 | Check price → |
