Watts Regulators series 1156F high capacity feed water pressure regulators are for use in commercial and residential hydronic heating systems to fill the boiler and piping system with water, and to maintain water pressure in the system at all times. It also provides make-up water to the system in the event of system leaks. It consists of an iron and bronze body construction with NPT threaded inlet and outlet connections, a tight seating check valve, purge lever for manual purging, and a stainless steel strainer. Series 1156F has high capacity performance and simplified servicing design.

Tight seating check valve
• Purge lever for manual purging
• High capacity performance as well as unique simplified servicing accessibility for complete unitized maintenance
• Stainless steel strainer to protect the valve disc from fouling
• Designed to fill the boiler and system piping with water and to maintain water pressure in the system at all times
• Provide make up water to the system in the event of system leaks
• 15 psi factory set, 100 psi maximum working pressure
  

  Watts Water SB1156F

Amtrol Parts SX-40V Diaphragm Expansion Tank 20 Gallon 1" NPTF 100 psi 40 Lbs.
Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrols lineup now includes specialty models engineered for modern, high-efficiency systems. None of it would have been possible without Extrol The One That Started It All.

For use in large residential and light commercial applications.
• Floor-standing with rugged steelbase.
• Additional capacity to handle larger boiler systems.
• 1-Year limited warranty
  

  Amtrol Parts SX-40V

Amtrol Parts SX-90V Diaphragm Expansion Tank 44 Gallon 1" NPTF 100 psi 90 Lbs.
Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrols lineup now includes specialty models engineered for modern, high-efficiency systems. None of it would have been possible without Extrol The One That Started It All.

For use in large residential and light commercial applications.
• Floor-standing with rugged steelbase.
• Additional capacity to handle larger boiler systems.
• 1-Year limited warranty
  

  Amtrol Parts SX-90V

Amtrol Parts SX-60V Diaphragm Expansion Tank 32 Gallon 1" NPTF 100 psi 60 Lb.
Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrols lineup now includes specialty models engineered for modern, high-efficiency systems. None of it would have been possible without Extrol The One That Started It All.

For use in large residential and light commercial applications.
• Floor-standing with rugged steelbase.
• Additional capacity to handle larger boiler systems.
• 1-Year limited warranty
  

  Amtrol Parts SX-60V

Amtrol Parts SX-30V Diaphragm Expansion Tank 14 Gallon 1" NPTF 100 psi 30 Lls
Extrol expansion tanks accept expanded fluid in closed-loop hydronic systems to control pressure buildup, improve comfort and help reduce energy costs. Nearly seven decades after inventing the first diaphragm expansion tank, Amtrols lineup now includes specialty models engineered for modern, high-efficiency systems. None of it would have been possible without Extrol The One That Started It All.

For use in large residential and light commercial applications.
• Floor-standing with rugged steelbase.
• Additional capacity to handle larger boiler systems.
• 1-Year limited warranty
  

  Amtrol Parts SX-30V

Tekmar TEKMAR256 Boiler Control 1 Stage Reset,

Tekmar TEKMAR256

Resideo TK300-30A-2FM Boiler Trim Kit W/Air Purger 4.4 Gallon 1/2" MPT Tank 1" OD 100 psi,

Resideo TK300-30A-2FM

Resideo TK300-30A-1FM Boiler Trim Kit W/Air Purger 4.4 Gallon 1/2" MPT Tank 1" FNPT 100 psi

Resideo TK300-30A-1FM

Resideo TK30PV125SFM Boiler Trim Kit W/Air Purger 4.4 Gallon 1/2" MPT Tank 1" OD 100 psi,

Resideo TK30PV125SFM

Honeywell T678A1437/U Remote Bulb Temperature Control, 0 - 100 deg F

Honeywell T678A1437

Honeywell T775R2035 Electronic Temp Controller W/2 Temp Inputs 2 SPDT Relays

Honeywell T775R2035

Caleffi ZVR104 Zone Valve Relay 4-Zone W/Priority

Caleffi ZVR104