RSI Boilers

RSI Boilers - HeatMaster SS and Nature's Comfort Authorized Dealer

Outdoor Wood Boilers
Parts and Accessories
HeatMaster SS Website
Boiler Delivery

Parts and Supplies

Boiler Treatment

HeatMaster Boiler treatment
 (Gallon treats about 200 gallons)
Works on all outdoor boiler systems  
Gallon Jug $85.00
Quart Bottle $28.44

Rope Seal
Rope Seal
Description Price
1" rope seal Price per foot.
High Temperature silicone 10.1 oz tube (Black) $13.00
Fire Brick
Fire Brick
Description Price
12x6x2 Fire Brick for NCB Boilers ------
Currently unavailable. Email for alternative replacement  
Boiler Parts
These are just some of the more common parts. All other parts available, call or email.
Draft SolenoidDraft BLowerAsh Pan Latch
Description Price
Mechanical Aquastat (suggest upgrading to digital) $100.00
Digital Aquastat (HeatMaster MF and C series & NCB GT series) $100.00
Digital Aquastat Upgrades for NCB. several options available. Call or email
Brass Drywell for Ranco - 1/2" threads 1/4" well $10.00 
Air Shutoff Solenoid. $36.00
HD air shutoff solenoid. (different screw pattern) $65.00
148 CFM Draft Blower (MF5000 NCB 120-250, HM MF5000 ) $95.00
273 CFM Draft Blower (MF10000 & NCB 325G) $145.00
Ash Pan Latch Kit not NCB Boilers $20.00
Call or email for any other Nature's Comfort or HeatMaster parts. Some parts for other brands also available.  

Please Contact us for more info or with any questions
Philip Howard / RSI
109 Commercial St / PO box 341
Arlington, WI 53911
Weather Underground PWS KWIARLIN2