Boiler Repair, Install & Replacement in Warwick, RI
October 26, 2026 — Evergreen Services
Boiler Repair, Install & Replacement
Warwick, RI
Job Details
ServiceBoiler Repair, Install & Replacement
LocationWarwick, RI
Customer typeHomeowner
OutcomeCompleted — multi-day
SeasonFall
DateOctober 26, 2026
Job Photos
Shut down existing boiler power.
Shut down existing water to boiler and drain.
Label piping to ensure proper wiring upon installation of new system.
Remove and dispose of existing Oil-Fired Hydronic Boiler with Tankless.
Purchase and install one new Navien Condensing High Efficiency Combi Boiler
95% AFUE 199k Btu Modulating Natural Gas Fired Heat Only Boiler. Model: NCB-240H
AHRI# 205400818
Purchase and install each of the following devices and piping for newly installed boiler to
meet local mechanical code:
1. Manifold Navien
2. Expansion Tank
3. Watts 911s9D x Press
4. 3 - Circulator 007E IFC Taco/Grundfos/Aqua-motion
5. 3 - Isolation Flanges (1-pair for each circulator)
6. Scale Inhibitor (Domestic Water Inlet) & Particle Filter (Return Line)
Purchase and install all necessary PVC Piping and Fittings to connect new boiler to new 2” PVC Venting that will need to penetrate dwelling.
Penetrations will be made for new PVC Exhaust and Fresh Air intake.
Evergreen Services will use a two-pipe venting system to allow for exhaust outside of dwelling to be pointed in opposite direction of fresh air to ensure no contamination.
Purchase and install all necessary Pro Press, Copper Piping, Valves, and fittings to connect newly installed Navien Boiler to existing supply and return.
Connect newly installed boiler to existing zones of Central Heating and Domestic Hot Water. Existing heat source throughout home is all to remain.
Purchase and install all necessary Line Voltage for newly installed boiler, circulator, and circulator control.
Purchase and install one new Taco SR503 control is to be connected to new boiler.
Purchase and install one new Condensate Pump with Neutralizer per local mechanical code.
Connect newly installed boiler to existing Natural Gas Line. Existing natural gas line is to remain.
Perform Combustion Test with Combustion Analyzer to ensure all parameters are at manufacturers recommendation.
Fill and test newly installed boiler and check
Need Boiler Repair, Install & Replacement in Warwick?Evergreen Services serves Warwick and the surrounding area. Licensed, insured, and locally experienced.Get a Free Estimate