Ohio Administrative Code › Title 4101:8 - Board of Building Standards: Residential Code of Ohio › Chapter 4101:8-21 - Hydronic Piping › Section 4101:8-21-01 - Hydronic piping

Current through all regulations passed and filed through July 1, 2024
[Comment: When a reference is made
	 within this rule to a federal statutory provision, an industry consensus
	 standard, or any other technical publication, the specific date and title of
	 the publication as well as the name and address of the promulgating agency are
	 listed in rule
	 4101:8-44-01
	 of the Administrative Code. The application of the referenced standards shall
	 be limited and as prescribed in section 102.5 of rule
	 4101:8-1-01 of the
	 Administrative Code.]
SECTION
  2101
HYDRONIC PIPING SYSTEMS
	 INSTALLATION
2101.1
General.
Hydronic piping shall conform to Table 2101.1. Approved
  piping, valves, fittings and connections shall be installed in accordance with
  the manufacturer's instructions. Pipe and fittings shall be rated for use at
  the operating temperature and pressure of the hydronic system. Used pipe,
  fittings, valves or other materials shall be free of foreign materials.
TABLE 2101.1
HYDRONIC PIPING AND FITTING
	 MATERIALS
MATERIAL
USE
				CODEa
STANDARDb
JOINTS
NOTES
Acrylonitrile butadiene styrene (ABS)
				plastic pipe
1, 5
ASTM D1527
ASTM F2806
ASTM F2969
Solvent cement joints
-
Chlorinated poly (vinyl chloride)
				(CPVC) pipe and tubing
1, 2, 3
ASTM D2846
Solvent cement joints, compression
				joints and threaded
-
Copper and copper-alloy
				pipe
1
ASTM B42, B43, B302
Brazed, soldered and mechanical fi
				threaded, welded and flanged
-
Copper and copper-alloy tubing (Type K,
				L or M)
1, 2
ASME B 16.51, ASTM B75, B88, B135,
				B251, B306
Brazed, soldered, press-connected and
				flared mechanical fittings
Joints embedded in concrete shall be
				brazed.
Cross-linked polyethylene
				(PEX)
1, 2, 3
ASTM F876
(See PEX fitting
Install in accordance manufacturer's
				instructions
Cross-linked polyethylene/ aluminum/
				cross-linked polyethylene (PEX-AL-PEX) pressure pipe
1, 2
ASTM F1281 or CAN/ CSA B
				137.10
Mechanical, crimp/insert
Install in accordance with
				manufacturer's instructions
PEX fittings
ASTM F877
ASTM F1807
ASTM F1960
ASTM F2098
ASTM F2159
ASTM F2735
Copper crimp/insert fittings, cold
				expansion fittings, stainless steel clamp, insert fittings
Install in accordance with
				manufacturer's instructions
Polybutylene (PB) pipe and
				tubing
1, 2, 3
ASTM D3309
Heat-fusion, crimp/insert and
				compression
Joints in concrete shall be
				heat-fused
Polyethylene/aluminum/polyethylene
				(PE-AL-PE) pressure pipe
1, 2, 3
ASTM F1282
CSA B 137.9
Mechanical, crimp/insert
-
Polypropylene (PP)
1, 2, 3
ISO 15874
ASTM F2389
Heat- fusion joints, mechanical
				fittings, threaded adapters, compression joints
-
Raised temperature polyethylene
				(PERT)
1, 2, 3
ASTM F2623,
ASTM F2769,
CSA B 137.18
Copper crimp/insert fitting, stainless
				steel clamp, insert fittings
-
Raised temperature Polyethylene (PERT)
				fittings
1, 2, 3
ASTM D3261
ASTM F1807
ASTM F2098
ASTM F2159
ASTM F2735
ASTM F2769
CSA B 137.18
Copper crimp/insert fitting, stainless
				steel clamp, insert fittings
-
Steel pipe
1, 2
ASTM A53
ASTM A106
Brazed, welded, threaded, flanged and
				mechanical fittings
Joints in concrete shall be welded.
				Galvanized pipe shall not be welded or brazed.
Steel tubing
1
ASTM A254
Mechanical fittings,
				welded
-
For SI: °C = [(°F)-32]/
	 1.8.
a.
										Use code:
1.
											Above ground.
2.
											Embedded in
  radiant systems.
3.
											Temperatures below 180°F only.
4.
											Low temperature
  (below 130°F) applications only.
5.
											Temperatures below
  160°F only.