boiler service or from safety relief valve discharge. See section 5. • Access to system water piping, gas supply, and electrical service. See sections 5, 7 and 8. • Clearances to combustible materials and service clearances. See Table 2 and ﬁ gure 4-1. • Multiple Boilers can …
Any boilers that can still use 15mm gas supply
minimal. Boiler is not designed for or intended for use in open systems using make-up water. Prior to Installation • Verify correct boiler for type of gas being used natural or propane. See Rating Plate. • Verify boiler size and dimensions. See Figure 1 and Table 1, page 2. • Verify ratings and capacity data for natural gas. See Table 2.
MUNCHKIN GAS-FIRED HOT WATER BOILER MANUAL Pdf Download
4. The minimum pipe size for connecting to a water storage tank is 1 ½". 5. The minimum pipe size for connecting the boiler is 1 ½" for the Mod Con 300 VWH and 2" for the 500 and 850 models. 6. All pumps are shown with isolation flanges or full port ball valves for isolation. The alternative is standard flanges with full port ball
The discharge piping serving a pressure relief valve, temperature relief valve or combination valve shall: Not be directly connected to the drainage system. Discharge through an air gap located in the same room as the water heater. Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap.
May 15, 2015 · to support any or part of the gas piping. Figure 1: Single Boiler Gas Pipe Connections . 4. GAS PIPING All gas piping and components must comply with NFPA local codes, and utility requirement minimums. Only gas approved fittings, valves, and pipe should be utilized. Standard industry practice for gas piping is Schedule 40 ironpipe and fittings.