Commercial Boilers - Gas Boilers Peerless® PUREFIRE® Commercial Boiler

The Peerless® PureFire® commercial product line features gas-fired stainless steel condensing boilers with inputs of 399 to 1.5 M MBH and thermal efficiencies of up to 98%; all models are ENERGY STAR® certified! These cascade-ready boilers have a condensate system with built-in neutralizer and 120V convenience outlet (PF-399 – PFC-460). The larger sizes allow for common vent capability. The PFC-850 to PFC-1500 models are essentially two boilers in one cabinet making them the perfect choice for jobs requiring cascading and redundancy. PureFire® commercial boilers offer a a one-year parts and labor warranty and a 10-year limited warranty on the heat exchanger (product MUST be registered for warranty coverage). TWO NEW SIZES are now available – the PFC-625 and PFC-750. Both sizes offer the same great features as the PureFire® commercial product line with an additional built-in low water cut-ff with manual reset for CSD-1 compliance!
Product Details:
Type: Commercial
Construction: Stainless Steel
Fuel: Gas-Fired (Natural or LP)
Input: 399 to 1,500 MBH
Output: 373 to 1,448 MBH
Venting: Sealed Combustion, Direct Vent
Trim: Water
Combustion: Direct Spark
Peerless® PUREFIRE® Commercial Series![]() |
|||||
---|---|---|---|---|---|
Model Number | Input, MBH | Heating Capacity | NET Ratings Water1, MBH | Thermal Efficiency2, % | |
Min | Max | ||||
PF-399 | 80 | 399 | 380 | 330 | 95.2 |
PFC-460 | 92 | 460 | 438 | 381 | 95.2 |
PFC-625 | 125 | 625 | 612 | 532.2 | 97.9 |
PFC-750 | 150 | 750 | 735 | 639.1 | 98.0 |
PFC-850 | 85 | 850 | 818 | 711 | 96.2 |
PFC-1000 | 100 | 1,000 | 966 | 840 | 96.6 |
PFC-1500 | 150 | 1,500 | 1,448 | 1,259 | 96.5 |
-
- NOTE: Consult factory before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.
- Net water ratings based on an allowance of 1.15.
- Gross Output and Thermal Efficiency are in accordance with BTS 2000 TESTING STANDARD FOR HEATING BOILERS.



Peerless® PUREFIRE® Commercial Boiler Dimensions
(see bottom dimension above for PFC-625/750 dimensions)
Boiler Model Number | Dimensions | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | G | H | J | K | L | ||
PF-399 (top diagram) | 27-15/16″ | 17-3/16″ | 40-1/2″ | 1-1/2″ | 4″ | 3/4″ | 2-3/4″ | 5-1/4″ | 3-1/2″ | 5-3/4″ | 7-1/6″ | |
PFC-460 (top diagram) | 27-15/16″ | 17-3/16″ | 40-1/2″ | 1-1/2″ | 4″ | 3/4″ | 2-3/4″ | 5-1/4″ | 3-1/2″ | 5-3/4″ | 7-1/6″ | |
PFC-850 (middle diagram) | 36-1/4″ | 26-1/2″ | 46″ | 2″ | 6″ | 1-1/4″ | 3-3/4″ | 4-1/8″ | – | – | – | |
PFC-1000 (middle diagram) | 39-1/8″ | 26-1/2″ | 46″ | 2″ | 6″ | 1-1/4″ | 3-3/4″ | 4-1/8″ | – | – | – | |
PFC-1500 (middle diagram) | 60-3/4″ | 26-1/2″ | 46″ | 2-1/2″ | 7″ | 2″ | 8-1/2″ | 5-1/2″ | – | – | – |
Carton Dimensions & Shipping Weights
Boiler Model Number | Length | Width | Height | Approximate Shipping Weight (lbs.) |
---|---|---|---|---|
PF-399 | 25″ | 32″ | 50″ | 275 |
PFC-460 | 25″ | 32″ | 50″ | 275 |
PFC-625 | 54-1/2″ | 32″ | 52″ | 520 |
PFC-750 | 54-1/2″ | 32″ | 52″ | 590 |
PFC-850 | 54-1/2″ | 32″ | 52″ | 345 |
PFC-1000 | 54-1/2″ | 32″ | 52″ | 405 |
PFC-1500 | 79-1/2″ | 32″ | 52″ | 690 |