Search results for 'Hot water heat'
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Caleffi 548 Series Hydro Separator with ANSI Flanges-6" ANSI Flanged connection without Insulation ASME
Without Insulation ASME tagged and registeredSeries 548 Hydro Separator with ANSI Flanges. This device consists of several different functional components, each meet specific requirements, typical of the circuits used in heating and air-conditioning systems. • Hydronic separator: To keep connected hydronic circuits totally independent from each other • Dirt remover: To permit the separation and collection of any impurities present in the circuits. Provided with a valved connection with discharge piping. • Automatic air vent valve: For automatic venting of any air contained in the circuits. Provided with a valved connection for maintenance purposes. The hydronic separator should be sized according to the maximum flow rate value at the inlet. The selected design value must be the greatest between the primary circuit and the secondary circuit. When a single system contains a primary production circuit, with its own pump, and a secondary user circuit, with one or more distribution pumps, operating conditions may arise in the system whereby the pumps interact, creating abnormal variations in circuit flow rates and pressures. The hydronic separator creates a zone with a low pressure loss, which enables the primary and secondary circuits connected to it to be hydraulically independent of each other; the flow in one circuit does not create a flow in the other if the pressure loss in the common section is negligible. In this case, the flow rate in the respective circuits depends exclusively on the flow rate characteristics of the pumps, preventing reciprocal influence caused by connection in series. Therefore, using a device with these characteristics means that the flow in the secondary circuit only circulates when the relevant pump is on, permitting the system to meet the specific load requirements at that time. When the secondary pump is off, there is no circulation in the secondary circuit; the whole flow rate produced by the primary pump is by-passed through the separator. With the hydronic separator, it is thus possible to have a primary production circuit with a constant flow rate and a secondary distribution circuit with a variable flow rate; these operating conditions are typical of modern heating and cooling systems.Regular Price: $10,280.00
Special Price: $3,776.19
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Watts Radiant RadiantPEX-AL 1" Diameter PEX-AL-PEX tubing
Watts Radiant RadiantPEX-AL 1" Diameter PEX-AL-PEX tubingRadiant PEX-AL is a composite pipe engineered for radiant floor heating. It's proven, long lasting and maintenance free. Installers like it because it's lightweight, durable and can be shaped to fit any jobsite. The aluminum layer protects boiler systems against corrosion and it has superior temperature and pressure ratings. RadiantPEX-AL pipe and fittings are manufactured to American Standard Testing Methods for requirements and test methods for materials, workmanship, dimensions, environmental stress, cracking, sustained hydrostatic pressure strength, thermo-cycling resistance and bend strength, among other tests. RadiantPEX-AL meets or exceeds these specifications.$120.83 -
Watts Radiant RadiantPEX-AL 3/4" Diameter PEX-AL-PEX tubing-300'
Watts Radiant RadiantPEX-AL 3/4" Diameter PEX-AL-PEX tubingRadiant PEX-AL is a composite pipe engineered for radiant floor heating. It's proven, long lasting and maintenance free. Installers like it because it's lightweight, durable and can be shaped to fit any jobsite. The aluminum layer protects boiler systems against corrosion and it has superior temperature and pressure ratings. RadiantPEX-AL pipe and fittings are manufactured to American Standard Testing Methods for requirements and test methods for materials, workmanship, dimensions, environmental stress, cracking, sustained hydrostatic pressure strength, thermo-cycling resistance and bend strength, among other tests. RadiantPEX-AL meets or exceeds these specifications.$266.67 -
Watts Radiant RadiantPEX-AL 3/4" Diameter PEX-AL-PEX tubing-500'
Watts Radiant RadiantPEX-AL 3/4" Diameter PEX-AL-PEX tubingRadiant PEX-AL is a composite pipe engineered for radiant floor heating. It's proven, long lasting and maintenance free. Installers like it because it's lightweight, durable and can be shaped to fit any jobsite. The aluminum layer protects boiler systems against corrosion and it has superior temperature and pressure ratings. RadiantPEX-AL pipe and fittings are manufactured to American Standard Testing Methods for requirements and test methods for materials, workmanship, dimensions, environmental stress, cracking, sustained hydrostatic pressure strength, thermo-cycling resistance and bend strength, among other tests. RadiantPEX-AL meets or exceeds these specifications.$444.44 -
Johnson Controls Remote Bulb Temperature Control
Johnson Controls Remote Bulb Temperature Control, Adj. Diff. 6 to 24F (100 to 240F)Johnson Controls A19 Series temperature controls are designed to cover a broad range of uses for heating and general purpose requirements. Controls have SPST contacts which open on temperature increase or they may be supplied in single-pole, double-throw contact action. Various control ranges are available to cover working temperatures from -30 to 550° F (-34 to 288° C). Closed tank fittings and bulb wells are available for immersion applications. These controls are designed for open low and open high applications. Where critical or high value products are to be maintained within a specific temperature differential, a single control should not be applied to function as both an open low and open high control. In these applications, a separate backup control with alarm contacts should be wired to indicate when the back-up control operates.$74.36 -
Johnson Controls Temperature Stage Module
Johnson Controls S350AA-1C Temperature Stage ModuleThe S350 Stage Module is used in conjunction with the A350, A350E, A350P, and A350R series temperature controls to add multiple stage capability. The S350 module has an SPDT output relay and three adjustments including offset (de-energize stage action from setpoint), heating or cooling mode, and differential. Using a Y350R, up to nine S350s can be added to the A350, A350E, and A350R via the 5-pin, plug-in connector. Using a Y350R wth an A350P, up to four S350s can be added. Using a 40 VA or greater external transformer wth an A350P, up to nine S350s can be added.$47.40 -
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HeatFab Rain Cap
Stainless Steel Rain Cap.Specially Designed For use with 5.3 and 6.6 series vertical termination.$66.00 -
HeatFab Horizontal Termination
for the 5.3 and 6.6 series.Specially designed horizontal termination piece$45.00